AIPMT 2015 Cancelled Paper | NEET Year Wise Previous Years Questions

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1. A radiation of energy 'E' falls normally on a perfectly reflecting surface. The momentum transferred to the surface is ( 2. When two displacements represented by y1 = a sin$${\left( {\omega t} \right)}$$ and y2 = b cos$${\left( {\omega t} \righ 3. The electric field in a certain region is acting radially outward and is given by E = Ar. A charge contained in a sphere 4. A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it. A dielect 5. Across a metallic conductor of non-uniform cross section a constant potential difference is applied. The quantity which 6. A, B and C are voltmeters of resistance R, 1.5 R and 3R respectively as shown in the figure. When some potential differe 7. A potentiometer wire has length 4 m and resistance 8 $$\Omega $$. The resistance that must be connected in series with t 8. An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at the cent 9. A conducting square frame of side 'a' and a long straight wire carrying current $$I$$ are located in the same plane as s 10. A wire carrying current $$I$$ has the shape shown in adjoining figure. Linear parts of the wire are very long and para 11. A resistance 'R' draws power 'P' when connected to an AC source. If an inductance is now placed in series with the resis 12. A particle is executing SHM along a straight line. Its velocities at distances x1 and x2 from the mean position are V1 a 13. For a parallel beam of monochromatic light of wavelength '$$\lambda $$' , diffraction is produced by a single slit whose 14. Two identical thin plano-convex glass lenses (refractive index 1.5) each having radius of curvature of 20 cm are placed 15. In a double slit experiment, the two slits are 1 mm apart and the screen is placed 1 m away. A monochromatic light of wa 16. The refracting angle of a prism is A, and refractive index of the material of the prism is cot (A/2). The angle of minim 17. A certain metallic surface is illuminated with monochromatic light of wavelength, $$\lambda .$$ The stopping potential f 18. Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength? 19. Consider 3rd orbit of He+ (Helium), using non-relativistic approach, the speed of electron in this orbit will be [given 20. Which logic gate is represented by the following combination of logic gates ? 21. If in a p-n junction, a square input signal of 10 V is applied, as shown, then the output across RL will be 22. A mass m moves in a circle on a smooth horizontal plane with velocity v0 at a radius R0. The mass is attached to a strin 23. A particle of unit mass undergoes one-dimensional motion such that its velocity varies according to $$v\left( x \right) 24. A ship A is moving Westwards with a speed of 10 km h$$-$$1 and a ship B 100 km South of A, is moving Northwards with a s 25. A block A of mass m1 rests on a horizontal table. A light string connected to it passes over a frictionless pully at the 26. Three blocks A, B and C, of masses 4 kg, 2 kg and 1 kg respectively, are in contact on a frictionless surface, as shown. 27. A block of mass 10 kg, moving in x direction with a constant speed of 10 m s$$-$$1, is subjected to a retarding force F 28. A particle of mass m is driven by a machine that delivers a constant power k watts. If the particle starts from rest the 29. Two particles of masses m1, m2 move with initial velocities u1 and u2. On collision, one of the particles get excited t 30. Two similar springs P and Q have spring constants KP and KQ, such that KP > KQ. They are stretched first by the same 31. A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The k 32. Three identical spherical shells, each of mass m and radius r are placed as shown in figure. Consider an axis XX' which 33. Kepler's third law states that square of period of revoluation (T) of a planet around the sun, is proportional to third 34. Two spherical bodies of mass M and 5M and radii R and 2R are released in free space with initial separation between thei 35. The two ends of a metal rod are maintained at temperatures 100oC and 110oC. The rate of heat flow in the rod is found to 36. A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is 250 m2. Assuming that the pressu 37. On observing light from three different starts P, Q and R, it was found that intensity of violet colour is maximum in th 38. The approximate depth of an ocean is 2700 m. The compressiblity of water is 45.4 $$ \times $$ 10$$-$$11 Pa$$-$$1 and den 39. The ratio of the specific heats $${{{C_p}} \over {{C_v}}} = \gamma $$ in terms of degrees of freedom (n) is given by 40. A Carnot engine, having an efficiency of as heat engine, is used as a refrigerator. If the work done on the system is 10 41. Figure below shows two paths that may be taken by a gas to go from a state A to a state C. In process AB, 400 J of heat 42. One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure. The chang 43. If energy (E), velocity (V) and time (T) are chosen as the fundamental quantities, the dimensional formula of surface te

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

A block of mass 10 kg, moving in x direction with a constant speed of 10 m s^$$-$$1, is subjected to a retarding force F = 0.1x J/m during its travel from x = 20 m to 30 m. Its final KE will be

275 J

250 J

475 J

450 J

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

A particle of mass m is driven by a machine that delivers a constant power k watts. If the particle starts from rest the force on the particle at time t is

$$\sqrt {2mk} {\,t^{ - 1/2}}$$

$${1 \over 2}\sqrt {mk} \,{t^{ - 1/2}}$$

$$\sqrt {{{mk} \over 2}} \,{t^{ - 1/2}}$$

$$\sqrt {mk} \,{t^{ - 1/2}}$$

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

Two particles of masses m₁, m₂ move with initial velocities u₁ and u₂. On collision, one of the particles get excited to higher level, after absorbing energy $$\varepsilon $$. If final velocities of particles be v₁ and v₂ then we must have :

$${1 \over 2}$$m₁u$$_1^2$$ + $${1 \over 2}$$ m₂u$$_2^2$$ $$-$$ $$\varepsilon $$ = $${1 \over 2}$$ m₁v$$_1^2$$ + $${1 \over 2}$$m₂v$$_2^2$$

$${1 \over 2}$$m$$_1^2$$u$$_1^2$$ + $${1 \over 2}$$m$$_2^2$$u$$_2^2$$ + $$\varepsilon $$ = $${1 \over 2}$$m$$_1^2$$v$$_1^2$$ + $${1 \over 2}$$m$$_2^2$$v$$_2^2$$

m$$_1^2$$u₁ + m$$_2^2$$u₂ $$-$$ $$\varepsilon $$ = m$$_1^2$$v₁ + m$$_2^2$$v₂

$${1 \over 2}$$m₁u$$_1^2$$ + $${1 \over 2}$$m₂u$$_2^2$$ = $${1 \over 2}$$m₁v$$_1^2$$ + $${1 \over 2}$$m₂v$$_2^2$$ $$-$$ $$\varepsilon $$

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

Two similar springs P and Q have spring constants K_P and K_Q, such that K_P > K_Q. They are stretched first by the same amount (case a), then by the same force (case b). The work done by the springs W_P and W_Q are related as, in case (a) and case (b) respectively

W_P > W_Q; W_Q > W_P

W_P < W_Q; W_Q < W_P

W_P = W_Q; W_P > W_Q

W_P = W_Q; W_P = W_Q

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