AIPMT 2003 | NEET Year Wise Previous Years Questions

Biology

Chemistry

Physics

1. A man throws balls with the same speed vertically upwards one after the other at an interval of 2 seconds. What should b 2. If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is 3. The vector sum of two forces is perpendicular to their vector differences. In that case, the forces 4. A particle moves along a circle of radius $$\left( {{{20} \over \pi }} \right)$$ m with constants tangential acceleratio 5. A man weight 80 kg. He stands on a weighting scale in a lift which is moving upwards with a uniform acceleration of 5 m 6. A monkey of mass 20 kg is holding a vertical rope. The rope will not break when a mass of 25 kg is suspended from it bu 7. When a long spring is stretched by 2 cm, its potential energy is U. If the spring is stretched by 10 cm, the potential e 8. A stationary particle explodes into two particles of masses m1 and m2 which move in opposite directions with velocities 9. A ball rolls without slipping. The radius of gyration of the ball about an axis passing through its centre of mass is K. 10. A stone is tied to a string of length $$l$$ and is whirled in a vertical circle with the other end of the string as the 11. A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length L and height h. What is 12. A thin circular ring of mass M and radius r is rotating about its axis with a constant angular velocity $$\omega $$. Fou 13. Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the ma 14. The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a 15. A body of mass m is placed on earth's surface which is taken from earth surface to a height of h = 3R, then change in gr 16. Consider a compound slab consisting of two different materials having equal thicknesses and thermal conductivities K and 17. An ideal gas heat engine operates in a Carnot cycle between 227oC and 127oC. It absorbs 6 kcal at the height temperature 18. Which one of the following statements is true for the speed v and the acceleration a of a particle executing simple harm 19. The potential energy of a simple harmonic oscillator when the particle is half way to its end point is 20. A particle of mass m oscillates with simple harmonic motion between points x1 and x2, the equilibrium position being O. 21. The time period of mass suspended from a spring is T. If the spring is cut into four equal parts and the same mass is su 22. In case of a forced vibration, the resonance peak becomes very sharp when the 23. An observer moves towards a stationary source of sound with a speed 1/5th of the speed of sound. The wavelength and freq 24. Three capacitors each of capacity 4 $$\mu $$F are to be connected in such a way that the effective capacitance is $$6\mu 25. A charge q is located at the centre of a cube. The electric flux through any face is 26. Two 220 volt, 100 watt bulbs are connected first in series and then in parallel. Each time the combination is connected 27. An electric kettle has two heating coils. When one of the coils is connected to an a.c. source, the water in the kettle 28. Fuse wire is a wire of 29. In a Wheatstone's bridge all the four arms have equal resistance R. If the resistance of the galvanometer arm is also R, 30. A charged particle moves through a magnetic field in a firection perpendicular to it. Then the 31. A long solenoid carrying a current producess a magnetic field B along its axis. If the current is doubled and the number 32. A diamagnetic material in a magnetic field moves 33. According to Curie's law, the magnetic susceptibility of a substance at an absolute temperature $$T$$ is proportional to 34. A bar magnet is oscillating in the Earth's magnetic field with a period T. What happens to its period and motion if its 35. We consider the radiation emitted by the human body. Which one of the following statements is true? 36. Which of the following rays are not electromagnetic waves ? 37. An equiconvex lens is cut into two halves along (i) XOX' and (ii) YOY' as shown in the figure. Let $$f,f',$$ $$f''$$ 38. A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal 39. J.J. Thomson's cathode-ray tube experiment demonstrated that 40. A photoelectric cell is illuminated by a point source of light 1 m away. When the source is shifted to 2 m then 41. An electron is moving round the nucleus of a hydrogen atom in a circular orbit of radius r. The Coulomb force $$\overrig 42. Solar energy is mainly caused due to 43. The volume occupied by an atom is greater than the volume of the nucleus by a factor of about 44. A sample of radioactive element has a mass of 10 g at an instant t = 0. The approximate mass of this element in the samp 45. The mass number of a nucleus is 46. The mass of proton is 1.0073 u and that of neutron is 1.0087 u (u = atomic mass unit). The binding energy of $${}_2^4$$ 47. In which of the following systems will the radius of the first orbit (n = 1) be minimum ? 48. A nuclear reaction given by ZXA $$ \to $$ z+1YA + $$-$$1e0 + $$\overline v $$ represents 49. Reverse bias applied to a junction diode 50. A n-p-n transistor conducts when 51. If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental frequency in the ripple will be 52. Barrier potential of a p-n junction diode does not depened on

AIPMT 2003

MCQ (Single Correct Answer)

-1

The activation energy for a simple chemical reaction A $$\rightleftharpoons$$ B is E_$$a$$ in forward direction.
The activation energy for reverse reaction