SOLUTION & ANSWER FOR KCET-2009 VERSION A1 [PHYSICS]

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George Porter
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1 SOLUTION & ANSWER FOR KCET-009 VERSION A [PHYSICS]. The number of significant figures in the numbers an significant igits significant igits. β-ecay means emission of electron --- Raioactive nucleus. An electric heater rate 00 V an 550 W is connecte A P 550 Ι.5 A V 0. A boy of mass `m moving along a straight line covers half the istance with a spee of ms ms v ms v ms, v 5 ms + 5 v ms v v AV v ' ( v + v' ) ( + ) 8 ms 5. The moment of inertia of a circular ring of raius Mr 6. A boy of mass 0.05 kg is observe to fall with an acceleration of N F m(g a) 0.05 ( ) N 7. The colloial solution in which both the isperse phase an Emulsion 8. In fog, photographs of the objects taken with infrare raiations --- Scattering of ΙR light is less than visible light. 9. Three concurrent co-planar forces N, N an N --- Cannot keep the boy in equilibrium. if N an N act in same irection, an N acts in opposite irection, equilibrium is possible.. Soun waves transfer --- Both energy an momentum.. Two rectangular blocks A an B of masses kg an kg respectively m Initial momentum kg ms If `v is the velocity of each block uner maximum compression, then p v 0.06 m/s ( m + m ) + 5 Difference in energy kx 0.05 kx x 0.05 m. G.P. Thomson experimentally confirme the existence of matter waves --- Diffraction.. The resistance of a wire at 00 K is foun to be 0. Ω No correct choice. R α R Rt Rt t solving t 99 K. The work one by a force acting on a boy is as shown J

2 Work ( one Area below F S graph 5 + ) J 5. Two luminous point sources separate by a certain istance are at km m θ.5. raian D θ m (Diffraction in circular aperture is not in syllabus) 6. A oor of.6 m wie requires a force of N to be applie at the free en ---- N τ.6.6 Nm τ.6 F N m of water at 80 C is mixe with 0. m of water C 0. (80 t) 0. ( 60) 80 t t t 60 t 65 C Same at M an N Q A v A v. A resistor an a capacitor are connecte in series with an a.c. source ---- V V + 5 V. The amount of heat energy raiate by a metal at temperature `T E E σt 5. The angle of minimum eviation for an incient light ray on an --- n sin ( A + D) sin n A, A D In the following combination of logic gates, the outputs of A, B an C ---,, 0 7. A stationary point source of soun emits soun uniformly in all irections The spectral series of the hyrogen atom that lies in the visible Balmer series 9. A graph of pressure versus volume for an ieal gas for Aiabatic process 0. Which of the following statement oes not hol go for ---- The frequency changes when it travels from one meium to another.. A planet revolves roun the Sun in an elliptical orbit ---- A Spee is maximum, when istance from Sun is minimum. Horizontal tube of non-uniform cross-section has raii of 0. m --- Ι Ι A A A 9 A 8. A galvanometer of resistance 0 Ω allows only % of the main current after connecting ---- Ω Ι G g S ( Ι Ι ) Ω g The phenomena in which proton flips is --- Nuclear magnetic resonance.

3 t x 0. y sin π represents an equation of a progressive wave, where `t --- m Comparing with A sin (ωt Kx) v K ω m/s Distance 5 m. Accoring to the quark moel, it is possible to buil ---- quarks an anti quarks.. An α-particle of mass 6. 7 kg an charge. 9 C is situate in a uniform electric fiel ms mv qe S v qes m ms. A cylinrical tube open at both the ens has a funamental frequency of 90 Hz in air Hz v 90 L v f L 90 f 60 Hz. The surface temperature of the stars is Wein s isplacement law 5. The charge eposite on µf capacitor C 6 µf an 6 µf are in series Voltage across µf 6 V Q C 6. A parallel beam of light is incient on a converging lens parallel to its principal axis. As one moves away from the lens on the other sie of the ---- First increases an then ecreases. Beam first converges an then iverges. 7. Continuous emission spectrum is --- Incanescent electric lamp. 8. A coil of `n number of turns is woun tightly in the form of a spiral ---- µ 0nΙ b ( a) log e ( b / a) n No: of turns / unit length ( b a) at a istance r, µ B 0 n Ι r b a r ( ) b µ Ι B 0 n b a ( a) b loge a 9. A ray of light is incient on a plane mirror at an angle Deviation 80 i The electric potential at any point x, y, z in metres is V/m V E 6x x E (, 0, ) V/m. Young s ouble slit experiment gives interference fringes of with 0. mm. A thin glass 0. mm Fringes get shifte but with remains same.. Near a circular loop of conucting wire as shown in the figure an electron Variable The flux is increasing initially an then ecreases. Hence inuce current reverses its irection.. Hyrogen atom from excite state comes to the groun state by emitting -----

4 R n n. The magnetic ipole moment of a current Magnetic fiel in which it is lying. M NA 5. In ruby laser, the stimulate emission is ue Metastable state to groun state. In Ruby Laser, the transition is from E state (Metastable) to E state (groun). 6. A irect current Ι flows along the length of an infinitely long straight thin Is zero at any point insie the pipe. tan ( ) sin i r S t ( r) sin i sini cos i sinr tan r r tan ( tan r) 5. Ferromagnetic materials use in a transformer Ampere s circuital law. High permeability an low hysteresis loss. 7. A convex lens mae of glass has focal length 0.5 m m f w fair (using lens maker s formula) m 8. Two sources are sai to be coherent If they --- Having constant phase ifference. 9. Three resistors Ω, Ω an Ω are connecte to form a triangle A V Ι A R 50. In a common emitter amplifier the input signal is Base an Emitter 5. In a raioactive isintegration, the ratio of initial number of atoms e N N 0e t t, N 0 e N 5. A ray of light is incient on a surface of glass slab at an angle Accoring to Newton s Corpuscular Theory, Lesser in a rarer meium. 55. For the constructive interference the path ifference between the two n Note: ( ) n + is possible for constructive interference in thin films, Lloy s single mirror etc. 56. The accurate measurement of emf can ---- Potentiometer Potentiometer is an ieal voltmeter. 57. The kinetic energy of an electron gets triple, then the E ' E E 58. Which of the following is not a thermoynamic Gas constant

5 59. Two soli pieces, one of steel an the other of aluminium when immerse Aluminium piece will weight more. Apparent weight in air ensity of liqui ensity of soli σ W A S ρ < WA σ ρs 60. The amount of energy release when one microgram kwh (No correct choice) E mc 6 ( 8 ) 9 7 J 7 9 E kwh kwh (Note:- If the mass in milligram, the answer will be kwh)

CENTURION UNIVERSITY OF TECHNOLOGY & MANAGEMENT,ODISHA CUEE-2015

CENTURION UNIVERSITY OF TECHNOLOGY & MANAGEMENT,ODISHA CUEE-015 PHYSICS 1. The imensional formula of angular momentum is a) ML T - b) MLT - c) MLT -1 ) ML T -1. If A B = B A, then the angle between A an