TM NATIONAL TALENT SEARCH EXAMINATION (NTSE-2017) STAGE -1 UTTAR PRADESH STATE : SAT SOLUTIONS. (1) Einstein (2) Rutherford (3) Newton (4) Faraday

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1 Path to success KTA (RAJASTHAN) TM NATINAL TALENT SEARCH EXAMINATIN (NTSE-07) STAGE - UTTAR PRADESH STATE : SAT Date: 06//06 Max. Marks: 00 SLUTINS Time allowed: 90 mins 0. The scientist related to law of electromagnetic induction is () Einstein () Rutherford (3) Newton (4) Faraday ption (4) is correct The scientist related to law of electromagnetic induction is Faraday. 0. The S.I. unit of temperature is () Degree celcius () Degree farenheit (3) Kelvin (4) None of these S.I. unit of temperature is Kelvin. 03. How many light year (ly) in one metre is () ly () ly (3) ly (4) ly m = ly 04. Two different light sources of A and B have wave length 0.7 mm and 0.3 mm respectively. Then which of the following statement is true () A has greater energy than B () B has greater energy than A (3) Both has equal energy (4) None of these l A = 0.7 mm l B = 0.3 mm E = l hc E µ l More the wavelength lesser will be the energy. 05. Which types of radiation absorbed by C molecules in atmosphere are () x-rays () gamma rays (3) infra-red rays (4) UV rays UV rays are absorbed by C molecules in atmosphere. 06. If n conducting wire, each of resistance 4W is connected in parallel, then its equivalent resistance will be - () 4n () 4/n (3) n/4 (4) 4n 4W 4W 4W n

2 R eq = (n times) = n 4 R eq = 4 n 07. The speed of sound in air and sea water are 33 m/s and 40 m/s respectively. A ship sends a strong signal down the sea and detect its echo after.5 second. The depth of the sea at that point is ().6 km ().08 km (3) 0.5 km (4) 0.55 km V a = 33 m/s V w = 440 m/s t =.5 s V = s t s = v t S = = 080 m =.08 km 08. Two body of mass gm and 4gm moving with equal kinetic energies. The ratio of the magnitude of their linear momentum is - () 4 : () : (3) (4) K.E. = P m KE = KE P m P = m p m = = = p m The refractive index of water and glass with respect to air are 4 3 and 3 with respect to water will be - respectively. The refractive index of glass () 7 6 () 6 (3) (4) 9 8 R.I. of water = 4 3 = n w R.I. of glass = 3 = n g n g w = n n g w = 3/ 4/3 = 9 8

3 0. A technician has 0 resistor each of resistance 0.W. The lartest and smallest resistance he can obtain by combining these resistors are () 0 W and W respectively () W and W respectively (3) W and 0.0 W respectively (4) 0. W and 0.0 W respectively 0 resistors 0. W each. Largest resistance when connected in series = W Smallest resistance when connected in series = 0.0W. The wire of heater sould made of that material whose () Specific resistance more and melting point high () Specific resistance more and melting point low (3) Specific resistance low and melting point low (4) Specific resistance low and melting point high More the specific resistance more is the resistance hence, more the heat produced. High melting point is aduisable as wire of heater will not melt.. The total internal reflection of light is not possible. When light travels from () Glass to water () Water to glass (3) Water to air (4) Glass to air TIR happens only when a ray of light travels from denser to rarer medium. 3. The frequency of second pendulum is () 0.5 Hertz ().0 Hertz (3).0 Hertz (4).5 Hertz Time period of second's pendulum = sec f = T = = 0.5 Hz 4. Two bodies with kinetic energy in the ratio of 9 : 4 are moving with equal linear momentum. The ratio of their masses is K = () : () : (3) 4 : 9 (4) 3 : P m Þ P = mk Þ mk = mk Þ m K = m K Þ m m = K K = The electronic configuration of an ion M + is,8,4. If its mass number is 56 the number of neutrons in its nucleus is - () 30 () 3 (3) 34 (4) 4 M + =,8,4 M =, 8, 6 Þ Z = 6 ; A = 56 A Z= numbers of neutrons = 56 6 = 30 3

4 6. In the presence of concentrated sulphuric acid, acetic acid react with ethyl alcohol to produce - () aldehyde () alcohol (3) ester (4) carboxylic acid Conc. CH 3 CH + C H 5 H ¾ ¾ ¾ ¾ CHCCH + H HS Ester 7. Which one of the following metal oxides shows both acidic and basic characters? () Na ()K (3) Cu (4) Al 3 Al 3 + 6HCl ¾ AlCl 3 + 3H Al 3 + NaH ¾ NaAl + H 8. The molecular formula of potash alum is ()K S 4. Al (S 4 ) 3. 4H (3)K S 4 4 () Ca(Cl)Cl (4) Al (S 4 ) 3. 4H Alum is a series of double sulphate salts of monovalent cations and trivalent cations containing 4 molecules of water of crystallisation. 9. The concentration of hydroxide ion in a solution is 0 0 mole per litre. Its ph value will be: ()4 () 8 (3) 0 (4) 0 ph = log[h ] ph = log[ 0 0 ] = 0 ph + ph = 4. ph + 0 = 4 ph = 4 0 = 4 0. Which of the following gas is known as tear gas? () methyl isocyanide () sulphur dioxide (3) chloropicrin (4) nitrous oxide Chloropicrin gas is commonly used as tear gas. Its chemical formula is CCl 3 N.. The number of carbon atom in kerosene oil is ()C 6 C () C 0 C 30 (3) C C 6 (4) C 8 C Kerosene is extracted from fractional distillation of petroleum having carbon atoms between C to C.. Which of the following salt does not contain the water of crystallization? () blue vitriol () baking soda (3) washing soda (4) gypsum Chemical formula of - blue virtriol CuS 4.5H Baking Soda - NaHC 3 Washing Soda - Na C 3. 0H Gypsum - CaS 4. H 3. Acidic solvents are () those who donate proton () accept proton (3) either can give or accept proton (4) neither give nor accept proton Acidic solvent are those who donate proton For example HCl + H ¾ H Cl.

5 4. The method to purify the colloidal solution () peptization () coagulation (3) dialysis (4) bredig's arc method Dialysis is the process which is used for the purfication of colloids by filtration or diffusion through, parchment paper or animal membrane. 5. The dispersion of any liquid in a liquid is known as () gel () gum (3) gelatin (4) emulsion Emulsion is a type of colloid in which a liquid is dispersed in liquid eg. milk. 6. Which of the following is made by hydrolysis of starch? () glucose () fructose (3) sucrose (4) maltose When startch is hydrolysed in the presence of amylase, it forms glucose. 7. Amalgam is () submetal () alloy (3) compound (4) hetrogeneous mixture Alloy Amalgam is the alloy of any metal with mercury eg sodium amalgam. 8. The number of salivary galnds in human is: Biology () two pairs () three pairs (3) four pairs (4) five pairs Humans have three pairs of salivary glands i.e. parotid, submaxillary and sublingual gland. 9. Wings of bird and insects are () vestigial organs () homologous organs (3) analogous organs (4) none of these Wings of birds and insect perform same function but have different origin that is why they are analogous organs. 30. Cramps in the leg muscles after running a long distance are becuase of - () build up of lactic acid () build up of acetic acid (3) build up of oxalic acid (4) build up up of pyruvic acid Cramps in the leg muscles after runing a long distance are becuase of deposition of lactic acid formed during anaerobic respiration in muscles. 3. Translocation of food by phloem is in the form of - () sucrose () protein (3) harmones (4) fat Translocation of food by phloem is in the form of sucrose because it is highly dissoluble in water. 3. Enzyme responsible for digestion of protein is () ptylin () pepsin (3) amylopsin (4) steapsin Enzyme responsible for digestion of protein is pepsin present in stomach and work in acidic medium. 5

6 33. Ethylene harmone is found in the form of - () gas () liquid (3) solid (4) all of the above Ethylene is the gaseous hormone present in plants which is responsible for fruit ripening. 34. Calciferol is - () vitamin A () vitamin B (3) vitamin C (4) vitamin D Calciferol is vitamin D which is important for the development of bones. 35. Sodium benzoyate is () tranquilizer () edible colour (3) preservative (4) antibiotic Sodium benzoyate is a food preservative. 36. The beehive is made of - () cellulose () chiten (3) cork (4) wax Bee hive is made up of wax. 37. In which of the following blubber is found () frog () lizard (3) elephant (4) fish Blubber is a thick fatty layer present in Fishes. 38. In leukemia - () there is lack of oxygen in body () white spot made on skin (3) proliferation of white blood corpuscles takes place (4) red blood corpuscles increases Leukemia is a blood cancer in which the number WBC increases. 39. Hydrophobia is due to () bacteria () virus (3) protozoa (4) fungus Hydrophobia is due to virus. 40. Silver fish is a () insect () cnidarian (3) crustacian (4) fish Silver fish is a animal of class insects. 4. 'Tripitaka' texts are related with which religion () Vedic religion () Biddhism (3) Jainism (4) Slaivism Tripi?aka, also referred to as Tipi?aka or Pali Canon, is the traditional term for the Buddhist scriptures. 4. The language of sangam litrature was - () Timil () Bengali (3) Hindi (4) Marathi Sangam literature is one of the main sources used for documenting the early history of the ancient Tamil country. The ancient Sangam poems mention numerous kings and princes, the existence of some of whom have been confirmed through archaeological evidence. 6

7 43. Ashoka was the son of - () Chandragupta Maurya () Brihdrath (3) Bindusar (4) Ramgupta Ashoka was born to the Mauryan emperor, Bindusara and a relatively lower ranked wife, Dharm? (or Dhamm?). He was the grandson of Chandragupta Maurya. 44. Who was the last emperor of Mughal dynasty in India () Aurangzeb () Shahjahan (3) Jahangir (4) Bahadurshah Zafar Abu Zafar Sirajuddin Muhammad Bahadur Shah Zafar, also known as Bahadur Shah or Bahadur Shah II (ctober November 86) was the last of the Mughal emperors in India, as well as the last ruler of the Timurid Dynasty. 45. The grava of Maharani Laxmibai is situated at () Varanasi () Kanpur (3) Allahabad (4) Gwalior Samadhi of Rani Lakshmi Bai, Gwalior 46. Malik Kafur was transfer generat of () Ala-uddin Khilzi () Firoz Tughlak (3) Iltutmish (4) Muhammad-bin-Tughlak Malik Kafur was a eunuch slave who became a general in the army of Alauddin Khilji, ruler of the Delhi sultanate from 96 to 36 A.D. He was originally seized by Alauddin's army after the army conquered the city of Khambhat. 47. Ibrahim Lodi was defeated () In the first battle of Panipat () In the second battle of Panipat (3) In the first battle of Talikota (4) In the first battle of Tarain Sultan Ibrahim was defeated in 56 at the Battle of Panipat. This marked the end of the Lodi Dynasty and the rise of the Mughal Empire in India led by Babur (r ) 48. Who led the revolt of 857 in Bihar - () Khan Bahadur Khan () Tatiya Tope (3) Kunwar Singh (4) Mangal Pandey In the small, sleepy town of Jagdishpur, lie the ruins of the palace of Kunwar Singh, a hero of 857, from Bihar. 49. Who is famous as Deshbandhu - () Chandrashekhar () A.. Hume (3) Chittranjan Das (4) Veer Savarkar Chittaranjan Das was an Indian politician and Founder-leader of the Swaraj Party in Bengal under British rule.also known as Deshbandhu. 50. 'Satyarth Prakash' was composed by - () Swami Dayanand Saraswati () Mahatma Gandhi (3) Swami Vivekanand (4) Ram Krishna Paramhans Satyarth Prakash is a 875 book written originally in Hindi by Maharishi Dayanand Saraswati, a renowned religious and social reformer and the founder of Arya Samaj. 5. Which among the following is not correctly matched - () Buland darwaja Akbar () Alai Darwaja Ala-ud-din Khilzi (3) Tajmahal Shahjahan (4) Red Ford Babar 7

8 Red Fort was build by Shah Jahan 5. Gulbadan Begum was the daughter of - () Babar () Humayun (3) Akbar (4) Shahjahan Shahzadi Gulbadan Begum was a Mughal Princess, the daughter of Emperor Babur of the Mughal Empire, she is most known as the author of Humayun Nama, the account of the life of her half-brother, Humayun. 53. The Bardavli satyagriha was led by - () Vitthalbhai Patel () Sardar Ballabhbhai Patel (3) Mahadev Desai (4) Mahadev Govind Ranade Gandhi with Sardar Patel (Bardoli Satyagraha) in 98. The Bardoli Satyagraha of 98, in the state of Gujarat, India during the period of the British Raj, was a major episode of civil disobedience and revolt in the Indian Independence Movement. 54. Who was the founder of Brahma Samaj - () Swami Dayanand Saraswati () Swami Vivekananda (3) Raja Rammohan Roy (4) Swami Ram Krishna Paramhans Brahmo Samaj: First convened in 88 by Raja Ram Mohan Roy in Calcutta 55. M.S. Swaminathan is associated with - () White revolution () Blue revolution (3) Red revolution (4) Green revolution Mankombu Sambasivan Swaminathan (born 7 August 95) is an Indian geneticist and international administrator, renowned for his leading role in India's Green Revolution. 56. Panna is famous for - () Petroleum () Diamond (3) Coal (4) Gold Panna is a city and a municipality in Panna district in the Indian state of Madhya Pradesh. It is famous for its diamond mines. 57. India's biggest desert is - () Thar () Sahara (3) Atakama (4) Gobi The Thar Desert, also known as the Great Indian Desert, is a large, arid region in the northwestern part of the Indian subcontinent that forms a natural boundary between India and Pakistan. 58. The best quality of coal is - () Peat () Bituminus (3) Anthrecite (4) Lignite Anthracite has the highest carbon content, the fewest impurities, and the highest calorific content of all types of coal except for graphite. 59. Rihand Valley project is located in - () Uttar Pradesh () Bihar (3) Rajasthan (4) Madhya Pradesh Rihand Dam is a concrete gravity dam located at Pipri in Sonbhadra District in Uttar Pradesh, India. 60. Which of the following is not fibre crop - () Cotton () Jute (3) Hemp (4) Rubber Rubber is a plantation crop used to make natural rubber 8

9 6. 5th June is celebrated as - () World Environment day () World population day (3) Earth day (4) World health day World Environment Day (WED) is observed every year on 5 June to raise global awareness to take positive environmental action to protect nature and the planet. 6. Max Muller was a famous scholar - () Russian () German (3) Rakan (4) French Friedrich Max Müller (6 December 83-8 ctober 900), generally known as Max Müller, was a German-born philologist and rientalist 63. Ankleshwar is situated at - () Gujrat () Tamilnadu (3) Kerala (4) Punjab Ankleshwar, (sometimes written Anklesvar) is a city and a municipality in the Bharuch district of the state of Gujarat, India. 64. Whch among the following is not correctly matched? () Heerakund - Mahanadi () Bhakhranangal - Satluj (3) Nagarjun-Krishna (4) Malateela - Ganga The Malatila Dam, is a dam in India that was built in 958 on the Betwa River. 65. The capital of Arunachal Pradesh is- () Agartalla () Imphal (3) Gangtok (4) Itangar Agartala is the capital of Tripura, Imphal is the capital of Manipur, Gangtok is not the capital of any state. Hence Itanagar is the correct answer. 66. Satluj, Beas, Ravi, Chenab and Jhelum are the tributaries of () Indus () Tapti (3) Kaveri (4) Krishna The Indus water system of rivers comprises the main Indus and its major tributaries: the Kabul River and Kurram River on the right bank, and the Jhelum River, Chenab River, Ravi River, Beas River and the Sutlej on the left. 67. Kaziranga National Park is situated in () Uttar Pradesh () Assam (3) Gujarat (4) Madhya Pradesh Kaziranga National Park is situated in Assam. 68. The famous Sanchi Stupa is in () Maharashtra () Uttar Pradesh (3) Madhya Pradesh (4) Rajasthan The Buddhist vihara at Sanchi, famous for its Great Stupa is located at Sanchi Town in Raisen District of the state of Madhya Pradesh, India, it is 46 km north-east of Bhopal. 69. In which state is the Pushkar Fair held - () Punjab () Rajasthan (3) Himachal Pradesh (4) Uttar Pradesh The Pushkar Fair (Pushkar Camel Fair) or locally Pushkar ka Mela is an annual five-day camel and livestock fair held in the town of Pushkar in the state of Rajasthan, India. 9

10 70. Who is the present Vice-President of India? () Smt. Sumitra Mahajan () Sri. Rajnath singh (3) Sri. Manoj Sinha (4) Sri. Hamid Ansari Mohammad Hamid Ansari, (born April 937) is the th and current Vice President of India, in office since The Chairman of the drafting committee of Indian constituent assembly was () Dr. Bhimrao Ambedkar () Sardar Patel (3) Jawaharlal Nehru (4) Dr. Rajendra Prasad n 9 August 947, the Constituent Assembly set up a Drafting Committee under the Chairmanship of Dr. B.R. Ambedkar to prepare a draft Constitution for India. 7. The Indian Economy is () Liberal Economy () Socialist Economy (3) Mixed Economy (4) Marxisim Economy Right now the Indian economy is not wholly capitalist, more of capitalism mixed with populist schemes. The bug bear though is the cronyism prevalent, that is not resulting in an equitable growth. 73. The Panchsheel agreement was signed between () India and China () India and Bhutan (3) India and Nepal (4) None of the above The Five Principles of Peaceful Coexistence, known in Nepal and India as the Panchsheel Treaty (from Pali, panch: five, sheel: virtues), are a series of principles which formed the bedrock of the relationship between India and the People's Republic of China. 74. Who is the Chief Commander of Indian Army () Prime Minister () Defence Minister (3) President (4) Vice President 75. The tenure of Lok Sabha member is () 5 years () 6 years (3) 3 years (4) 4 years Tenure of Lok Sabh is 5 years. 76. International Institution related to child walfare is - () UNICEFF () I.L.. (3) F.A.. (4) C.N.T. UNICEF - United Nations International Children Emergency Fund. 77. The main strategy adopted in the new economic policy of 99 was - () Liberalisation () Privatisation (3) Globalisation (4) All of the above Recommended by Narsimha Rao Committee in Who is the Author of 'Arthashastra' - () Kalidas () Valmiki (3) Vedvyas (4) Kautilya The Arthashastra is the title of a handbook for running an empire, written by Kautilya (also known as Chanakya, c BCE) an Indian statesman and philosopher, chief advisor and Prime Minister of the Indian Emperor Chandragupta, the first ruler of the Mauryan Empire. 79. Who among the following received Nobel Prize in the field of economics - () Mother Teresa () Rabindranath Tagore (3) Amartya Sen (4) C.V. Raman 0

11 Amartya Kumar Sen is an Indian economist and philosopher of Bengali ethnicity, who since... He was awarded the Nobel Memorial Prize in Economic Sciences in 998 and Bharat Ratna in 999 for his work in welfare economics. 80. Who was the Chairman of the Committee, which proposed Democratic Decentralisation and Panchayati Raj - () K.M. Pannikar () Balwant Rai Mehta (3) Mahatma Gandhi (4) H.N.Kunjru Panchayati Raj System in India had passed through various stages. The first stage in this direction was Balwant Rai Mehta Committee. 8. cosq sec q- is equal to - () sin q () cot q (3) sec q (4) cos q sec q- cos q tan q [sec q = tan q] cos q tan q cos q sinq cos q sin q 8. For the maximum value of sin x, value of x is - () p 4 () p (3) p (4) 3p x = p 83. If x + 3y + z = 0 then 8x 3 + 7y 3 + z 3 xyz is equal to - ()0 () 6 (3) 8 (4) 9 x + 3y + z = 0 8x + 7y 3 + z 3 = 3 x 3y z [If a + b + c = 0] = 8 xyz a 3 + b 3 + c 3 = 3abc x + 7y + z xyz = 8xyz xyz = The sum of the roots of quadratic equation x + 4 x = 9 is - () 7/ () 9 (3) 3 (4) 9 x + 4 x = 9 x + 4 = 9x

12 x 9x + 4 = 0 x 8x x + 4 = 0 x(x 4) (x 4) = 0 (x ) (x 4) = 0 a + b = b a = æ 9 ç - ö è ø = If the volume of two spheres are in the ratio is 64 : 7 then the ratio of their surface area is - () 3 : 4 () 4 : 3 (3) 9 : 6 (4) 6 : 9 4 p r = 4 3 pr 7 3 r 4 = r 3 4pær ö 6 ç = 4pèr ø If the H.C.F. of the expression (a ) and p a q (a + ) is (a ) then relation between p and q will be - () p = q () p = q (3) p = q + (4) p = q + a = 0 a = p() q( + ) = 0 p q = 0 p = q 87. The measures of the five angles of a hexagon are equal and the sixth angle measures 00º, then the measure of each of the five angle is - () 0º () 4º (3) 8º (4) 30º Let each equal angle be x 5x + 00º = 70º x = 4º 88. The value of (0,7) - (0,) æ3ö æ3ö æ ö ç ç + ç - è8ø èø è 3ø is () - 3 () 3 (3) 3 (4)

13 (0.7)º -(0.) é3ù é3ù æ ö ê ú ê ú + ç - ë8û ëû è 3ø = = = If the angles of elevation of the top of a tower from two point at distances 'a' and 'b' from the foot of the tower and are in the same line, are complementary, the height of the tower is - () ab () b (3) a (4) ab Let AB be the tower of height h and C and D are two points at distance a and b. In D ABC tan q = h a...() A h tan (90 q) = h b Cot q = h b...() B a q 90 q b D Multiplying () & () = h ab h = ab h = ab 90. If p = x + x then the value of p p will be - () 3x () 3 x (3) 4 x + x + 3 x + x (4) 4 x + 3x + 3 x + x p = x + x = x + x x = p x + p x + x = - p x x + = (x + ) -x x(x + ) 3

14 = 4 4 x + + x - x x + x + = 3 x(x + ) x + x ption (3) 9. If log 5 [log (log 3 x)] = 0 then the value of x is ()3 () 6 (3) 9 (4) 0 log 5 [log (log 3 x)] = 0 = log (log 3 x) = log 3 x 3 = x x = 9 9. Angle between the lines 6 + x = 0 and 3 y = 0 will be () 0 () 90 (3) 80 (4) 60 x = 6 y = 3 angles between them is 90 Y y = 3 x = 6 X 93. If number 6,8,x 5, x, 5,7,0 and are in asending order and its mediun is 4 then the value of x will be () 4 () 7 (3) 5 (4) 0 6,8,x 5, x, 5,7,0, x = 4 x + 4 = 8 x = 4 x = If U = {,,3,4,5,6,7,8} A = {3, 4,5,6} and B = {,3,5,7} then the value of (A' B') is - () {, 8} () {3, 5} (3) {, 7} (4) {,,4,6} A' = {3,,7,8} B' = {,4,6,8} A' B' = {, 7} 4

15 95. Factor of 3 c c 9 are () æ ö ç c + 3 è3 ø (c + 3) () æ ç ö c 3 (c 3) (3) æ ö è3 ç c 3 (c + 3) (4) æ ö ø è3 ç c (3c + ) ø è 3 ø 3 c c 9 3 (c 6c 7) 3 (c 9c + 3c 7) 3 3 [c(c 9) + 3(c 9)] (c + 3) (c 9) æ ö ç c - 3 è3 ø (c + 3) 96. If Rs. 80 divided among A, B and C are in ratio : : then the share of A will be () Rs. 00 () Rs. 60 (3) Rs. 550 (4) Rs. 00 : : A's share = = The radius of a wheel is 0.5m. The number of revolution to travel a distance of km will be () 000 () 4000 (3) 8000 (4) 7000 r = 0.5 m 0.5 n = n = 0.5 =

16 98. Sum of odd numbers between 0 and 50 is () 65 () 600 (3) 900 (4) 00 S n = a =, d = a n = 49 + (n ) = 49 n = 48 = 4 n = 5 S n = 5 ( + 49) = 5 5 = A father is 7 times as old as his son. Two years ago, the father was 3 times as old as his son. Father's present age is () 4 years () 8 years (3) 30 years (4) 3 years Let Son's age = x Father's age = 7x Two years ago Son's age = x Father age = 7x Acc. to question 7x = 3(x ) 7x = 3 x 6 4 = 6x x = 4 Fahter's age = 7 4 = 8 years 00. The areas of three adjacent faces of a cuboid are a,b and c respectively. Twice of its volume is () abc m 3 () a + b + c m3 (3) abc m 3 (4) 6 abc m 3 Let length = x breadth = y height = z a = xy b = yz c = zx abc = x y z abc = xyz V = abc V = abc 6

SCHOLASTIC APTITUDE TEST

SCHOLASTIC APTITUDE TEST NTSE STAGE 1(16-17) (For Students of Class X) Time Allowed : (9 Minutes) Maximum Marks : 1 11. The scientist related to law of electromagnetic induction is (1) Einstein () Rutherford