DISTANCE LEARNING PROGRAMME

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1 DISTANCE EARNING PROGRAMME (Academic Session : - 7) EADER TEST SERIES / JOINT PACKAGE COURSE TARGET : PRE-MEDICA 7 Test Type : A INDIA OPEN TEST (MAJOR) Test Pattern : NEET-UG TEST DATE : ANSWER KEY Que Ans Que Ans Que Ans. 4 4 Que Ans Que Ans Que Ans Que Ans. 4 4 Que Ans. 4 4 Que Ans HINT SHEET. Q total CV + CV CV V common Qtotal CV V C C KC K total A + C : ms A ( ) ms c (4 ) (S B )( ) S B (4 ). A refracted ray B Incident reflected ray ray C 5. x t 4t dx t 4 dt 4. A + B : ms A (5 ) ms B (5 5) S A S B B + C : ms A ( 5) ms c (4 ) S B S c d x dt CM HS - /7

2 A INDIA OPEN TEST/Pre-Medical /NEET-UG/-4-7 Me 4 4. g G g 7 Re 7. P f (cm) P 8 P.5 D w g 4 w g 7 w 7 4 gm wt Focal length does not change by reversing the lens. Also object fistance remain same, 8. (i) Image distance also remain same & difference between both Image is zero. 4. max b c max b T f T max ct fmax b f max T so on doubling temperature f max doubles Emitted Q e r AT 4 t Q T 4 So Q becomes times c f (ii) 5. R tan gt (iii) The outputs of A, B and C are respectively,,.5 9. Total energy of mole of gas F RT ()(5)RT U O 5 U ()()RT He gt tan R gt tan R. max q(a) E max E 4 Nm W pe 4 4 J 7. The separation ( d) between the slit is given by. q + q Q & q q 4r 4R D d 7. cm q q V Common HS - /7 r R Qr q & q R r V Common q q 4 r R QR R r Qr QR Q R r 4 R r R r 4 (R r ) 5 cm 5 mm.5 mm 9. Rewriting the given equation as T 7/5 P /5 and comparing this with the standard from of the adiabatic equation T P constant, we find 7. Hence, the gas is diatomic and 5 C v R 5 R CM

3 A INDIA OPEN TEST /EADER/Pre-Medical /NEET-UG/-4-7. F PAV. 4 N I A, from kirchoff's rule V P + V Q. V + + V V P V Q. [Hint. For complete polarsation of reflected light x I A tan tan tan (.54) 57 From fig, angle of incidence 9 57 ( Brewster's angle) Hence, the reflected light is completely polarised. When the plane polarised light is viewed through a rotating Nicol, the intensity gradully reduces to zero and then again increases] I 7 7 A from kirchoff's rule V x V x volt 7. In electric field photoelectron will experience force and accelerate opposite to the field so it's K.E. increases (i.e. stopping potential will increase), no change in photoelectric current.. W Fdx 4. Given : x x cos t 4...(i) W (ax bx ) dx Acceleration, a A cos(t + )...(ii) dx Velocity, v xsin t dt 4 dv Acceleration, a dt x cos t 4 x cos t 4 x cos t 4...(iii) ax bx W a b ( ) a b W..8 MB [Cos cos ] MB. W MB [Cos Cos 9 ] Compare eqns.(iii) with (ii), we get; A x, /4 W MB.8 J CM HS - /7

4 A INDIA OPEN TEST/Pre-Medical /NEET-UG/-4-7. K.E. E E E (for x) h me K.E. E (for x > ) h 4mE. Equation of continuity A A Rate r V P A VQ r. V P + V Q m/sec A As V P m/sec Hence, V Q 5 m/sec 4V V oss in K.E. Gain in P.E. 4V m mgh V gh 9 9gh 9gh V V 8 8 Vh V 4g. for permanent magnet, both retentivity & coercivity should be large T n m n l T n l T 44 T T l 4 T l l : u V m m m m et's assume after collision the velocity of m 7. (T / ) x (t mean ) y.9 x.9 x or x < y Also rate of decay N y Initially number of atoms (N) of both are equal but since y > x, therefore, y will decay at a faster rate than x. 8. et the mass of wood and concrete be M and m respectively. Then or M m (M m).5.5 M m.5.5 y is V m m m u V u m m m m (m)v m m HS - 4/7 or M m.5 m.5 5 M m 5 CM

5 A INDIA OPEN TEST /EADER/Pre-Medical /NEET-UG/ T g 4. F Y or A YA F T 4 g 4 g T YA (R r) F r YA(R r) r g T g T 45. ma a I' m g T g T ma I m 5gl 4. T mg a a a T mg m T H gl + mg T H mg mg T T H mg K m 5gl KH m gl m 5gl K K H gl mgl 4. For common emitter, the current gain is I I C B VCE i.e., at a given potential difference of CE, ( 5 )A ( )A 5 5 ma ma I' ma ma 4ma ma I' ma ma / P + I 48. CHCHOH CHCH I (A) HCHO CH CH CH O Mg I (C) CH C Cl O 5 4 ialh 4 CH HO CH Mg dry ether CH CH OH,-Dimethyl--cyclohexanol CHCHMg I (B) H O CH CH CH OH (D) + Mg(OH)I CM HS - 5/7

6 A INDIA OPEN TEST/Pre-Medical /NEET-UG/ NCERT XI th Pg.#8 (E) F CH DMF N NO H C (CH ) NH NO Nucleophilic aromatic substituion (ii) H /Ni CH N NH CH. NCERT XI th Pg.#4. NCERT XI pg#8 para 4 4. NCERT Pg # 8. NCERT XII th Pg.# 7. NCERT Pg.# 78. Based on +I and +M effect 8. CH 5 CC CH C H CCH CH 5 OH H O Hg, H SO + 4 Tautomerism C H C CH CH 5 O 8. NCERT XII Pg # 9, NCERT # Pg. 4 Fig NCERT XI th Pg.#7 4. NCERT Pg # 5. NCERT Pg.#. NCERT-I Pg # () Cl F () () CHO (O, O, H) CC COOH (O, O, O) () (E) Isomer. NCERT XI pg#45 fig NCERT Pg # NCERT Pg.#5 7. NCERT XII Pg # 84. NCERT-I, Pg # 5 4. NCERT Pg # 5 CH COOC H 5 CH CHMgBr dry ether CH CO CH MgBr 9. NCERT XI pg#8 para 94. NCERT Pg # NCERT Pg.#5 99. NCERT # Pg. 4 CH CH C O Mg Br CH H OH CH CH C OH + Mg CH Br OH 5. NCERT Pg.# 8. NCERT XII Pg # 8 4. NCERT XI th Pg.#4 4. NCERT-I, Pg # 5 4. NCERT XI pg#45 fig NCERT Pg # NCERT XI th Pg.#7 5. NCERT-II, Pg # NCERT Pg.#, NCERT XI Pg # 45 HS - /7 CM

7 A INDIA OPEN TEST /EADER/Pre-Medical /NEET-UG/-4-7. NCERT-I, Pg #. NCERT Pg # NCERT Pg.#4. NCERT Pg.#5 8. NCERT XII Pg # The bone cells (osteocytes) are present in the spaces called lacunae 7. NCERT Pg # NCERT Pg.#,.. 7. NCERT Pg.#5 78. NCERT XII Pg # 77 CM HS - 7/7

NARAYANA IIT ACADEMY

CPT-_XI (LJ) 7..7 NARAYANA IIT ACADEMY ANSWER KEY XI STUD (LJ) IITJEE MAINS MODEL Exam Date :7--7 physics Chemistry Mathematics. (C) 3. (B) 6. (C). (C) 3. (D) 6. (A) 3. (B) 33. (A) 63. (B) 4. (D) 34. (A)