AIPMT 2014 | NEET Year Wise Previous Years Questions

Biology

Chemistry

Physics

1. Light with an energy flux of 25 $$ \times $$ 104 W m$$-$$2 falls on a perfectly reflecting surface at normal incidence. 2. A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the 3. Two cities are 150 km apart. Electric power is sent from one city to another city through copper wires. The fall of pote 4. In a region, the potential is represented by V(x, y, z) = 6x $$-$$ 8xy $$-$$ 8y + 6yz,   where $$V$$ is in vol 5. The resistances in the two arms of the meter bridge are 5 $$\Omega $$ and R$$\Omega $$ respectively. When the resistance 6. In an ammeter 0.2% of main current passes through the galvanometer. If resistance of galvanometer is G, the resistance o 7. Following figures show the arrangement of bar magnets in different configurations. Each magnet has magnetic dipole momen 8. A potentiometer circuit has been set up for finding the internal resistance of a given cell. The main battery, used acro 9. Two identical long conducting wires $$AOB$$ and $$COD$$ are placed at right angle to each other, with one above other su 10. If the focal length of objective lens is increased then magnifying power of 11. A beam of light of $$\lambda = 600$$ nm from a distant source falls on a single slit 1 mm wide and the resulting diffra 12. Two thin dielectric slabs of dielectric constants K1 and K2(K1 < K2) are inserted between plates of a parallel plate 13. A transformer having efficiency of 90% is working on 200 V and 3 kW power supply. If the current in the secondary coil i 14. The angle of a prism is A. One of its refracting surfaces is silvered. Light rays falling at an angle of incidence 2 A o 15. A thin semicircular conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field 16. In the Young's double slit experiment, the intensity of light at a point on the screen where the path difference $$\lamb 17. Hydrogen atom in ground state is excited by a monochromatic radiation of $$\lambda $$ = 975 $$\mathop A\limits^ \circ $ 18. When the energy of the incident radiation is increased nby 20%, the kinetic energy of the photoelectrons emitted from a 19. If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de Brogl 20. The binding energy per nucleon of and nuclei are 5.60 MeV and 7.06 MeV respectively. In the nuclear reaction $${}_3^7Li 21. The given graph represents V-I characteristic for a semiconductor device. Which of the following statement is correct 22. A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approxim 23. A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three pieces. Two pieces, each of mass (m) 24. A system consists of three masses m1, m2 and m3 connected by a string passing over a pulley P. The mass m1 hangs freely 25. A balloon with mass m is descending down with an acceleration a (where a < g). How much mass should be removed from i 26. The force F acting on a particle of mass m is indicated by the force-time graph shown below. The change in momentum of t 27. A projectile is fired from the surface of the earth with a velocity of 5 m s$$-$$1 and angle $$\theta $$ with the hor 28. A particle is moving such that is position coordinates (x, y) are (2 m, 3 m) at time t = 0, (6 m, 7 m) at time t = 2 s 29. A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound 30. The ratio of the accelerations for a solid sphere (mass m and radius R) rolling down an incline of angle $$\theta $$ wit 31. Dependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represen 32. Certain quantity of water cools from 70oC to 60oC in the first 5 minutes and to 54oC in the next 5 minutes. The temperat 33. The barrier potential of a p-n junction depends on (1)   type of semiconductor material (2)   amou 34. Copper of fixed volume V is drawn into wire of length $$l$$. When this wire is subjected to a constant force F, the exte 35. A certain number of spherical drops of a liquid of radius r coalesce to form a single drop of radius R and volume V. If 36. Steam at 100oC is passed into 20 g of water at 10oC. When water acquires a temperature of 80oC, the mass of water presen 37. A thermodynamic system undergoes cyclic process ABCDA as shown in figure. The work done by the system in the cycle is 38. The mean free path of molecules of a gas, (radius r) is inversely proportional to 39. A monatomic gas at a pressure P, having a volume V expands isothermally to a volume 2V and then adiabatically to a volum 40. The oscillation of a body on a smooth horizontal surface is represented by the equation, X = A cos$$\left( {\omega t} \ 41. The number of possible natural oscillations of air column in a pipe closed at one end length 85 cm whose frequencies lie 42. If n1, n2 and n3 are the fundamental frequencies of three segments into which a string is divided, then the original f 43. If force (F), velocity (V) and time (T) are taken as fundamental units, then dimensions of mass are

AIPMT 2014

MCQ (Single Correct Answer)

-1

A potentiometer circuit has been set up for finding the internal resistance of a given cell. The main battery, used across the potentiometer wire, has an emf of 2.0 V and a negligible internal resistance. The potentiometer wire itself is 4 m long. When the resistance R, connected across the given cell, has values of (i) infinity, (ii) 9.5 $$\Omega $$
the balancing lengths on the potentiometer wire are found to be 3 m and 2.85 m, respectively. The value of internal resistance of the cell is

0.25 $$\Omega $$

0.95 $$\Omega $$

0.5 $$\Omega $$

0.75 $$\Omega $$

AIPMT 2014

MCQ (Single Correct Answer)

-1

Two identical long conducting wires $$AOB$$ and $$COD$$ are placed at right angle to each other, with one above other such that $$O$$ is their common point for the two. The wires carry $$I$$₁ and $$I$$₂ currents, respectively. Point $$P$$ is lying at distance f from $$O$$ along a direction perpendicular to the plane containing the wires. The magnetic field at the point $$P$$ will be

$${{{\mu _0}} \over {2\pi d}}\left( {{{{I_1}} \over {{I_2}}}} \right)$$

$${{{\mu _0}} \over {2\pi d}}\left( {{I_1} + {I_2}} \right)$$

$${{{\mu _0}} \over {2\pi d}}\left( {I_1^2 - I_2^2} \right)$$

$${{{\mu _0}} \over {2\pi d}}{\left( {I_1^2 + I_2^2} \right)^{1/2}}$$

AIPMT 2014

MCQ (Single Correct Answer)

-1

If the focal length of objective lens is increased then magnifying power of

microscope will increase but that of telescope decrease.

microscope and telescope both will increase.

microscope and telescope both will decrease.

microscope will decrease but that of telescope will increase.

AIPMT 2014

MCQ (Single Correct Answer)

-1

A beam of light of $$\lambda = 600$$ nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between first dark fringes on either side of the central bright fringe is

1.2 cm

1.2 mm

2.4 cm

2.4 mm

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