AIPMT 2005 | NEET Year Wise Previous Years Questions

Biology

Chemistry

Physics

1. In the reaction $${}_1^2$$H + $${}_1^3$$H $$ \to $$ $${}_2^4$$He + $${}_0^1$$n, if the binding energies of $${}_1^2$$ H, 2. A 5-ampere fuse wire can withstand a maximum power of 1 watt in the circuit. The resistance of the fuse wire is 3. An electron moves in a circular orbit with a uniform speed v. It producess a magnetic field B at the centre of the circl 4. A very long straight wire carries a current $$I$$. At the instant when a charge +Q at point P has velocity $$\overrighta 5. A coil in the shape of an equilateral triangle of side $$l$$ is suspended between the pole pieces of a permanent magnet 6. If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are d 7. As a result of change in the magnetic flux linked to the closed loop as shown in the figure, an e.m.f. $$V$$ volt is ind 8. In a circuit L, C and R are connected in series with an alternating voltage source of frquency $$f.$$ The current leads 9. If $$\lambda $$v, $$\lambda $$x and $$\lambda $$m represent the wavelengths of visible light, X-rays and microwaves resp 10. The angular resolution of a 10 cm diameter telescope at a wavelength of 5000 $$\mathop A\limits^ \circ $$ is of the ord 11. The work functions for metals A, B and C are respectively 1.92 eV, 2.0 eV and 5 eV. According to Einstein's equation the 12. A photosensitive metallic surface has work function, h$$\upsilon $$0. If photons of energy $$2h{\upsilon _0}$$ fall on t 13. For the network shown in the figure the value of the current $$i$$ is 14. The total energy of an electron in the first excited state of hydrogen atom is about $$-$$ 3.4 eV. Its kinetic energy in 15. In any fission process the ratio mass of fission products mass of parent nucleus is 16. Fission of nuclei is possible because the binding energy per nucleon in them 17. Energy levels A, B and C of a certain atom corresponding to increasing values of energy i.e. EA < EB < EC. If $$ 18. Choose the only false statement from the following. 19. Application of a forward bias to a p-n junction 20. Zener diode is used for 21. Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated b 22. Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54 $$\mathop A\limits^ \circ $$. The v 23. In a p-n junction photo cell, the value of the photo-electromotive force profuced by monochromatic light is proportional 24. For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is 25. A ball is thrown vertically upward. It has a speed of 10 m/sec when it has reached one half of its maximum height. How h 26. The displacement x of a particle varies with time t as x = ae$$-$$at + be$$\beta $$t, where a, b, $$\alpha $$ and $$\bet 27. Two boys are standing at the ends A and B of a ground where AB = a. The boy at B starts running in a direction perpen 28. A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone 29. If the angle between the vectors $$\overrightarrow A $$ and $$\overrightarrow B $$ is $$\theta $$, the value of the pro 30. If a vector $$2\widehat i + 3\widehat j + 8\widehat k$$ is perpendicular to the vector $$4\widehat j - 4\widehat i + \al 31. A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 m s$$-$ 32. A force F acting on an object varies with distance x as shown here. The force is in N and x in m. The work done by the 33. A drum of radius R and mass M, rolls down without slipping along an inclined plane of angle $$\theta $$. The frictional 34. The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc 35. Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies o 36. Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the ac 37. Which of the following rods, (given radius r and length $$l$$) each made of the same material and whose ends are maintai 38. An ideal gas heat engine operates in Carnot cycle between 227oC and 127oC. It absorbs 6 $$ \times $$ 104 cal of heat at 39. Which of the following processes is reversible? 40. The circular motion of a particle with constant speed is 41. A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distances of 2 42. A network of four capacitors of capacity equal to C1 = C, C2 = 2C, C3 = 3C and C4 = 4C are connected to a battery as sho 43. As per the diagram a point charge +q is placed at the origin O. Work done in taking another point charge $$-$$Q from th 44. Two charges q1 and q2 are placed 30 cm apart, as shown in the figure. A third charge q3 is moved along the arc of a cir 45. Two batteries, one of emf 18 volts and internal resistance 2 $$\Omega $$ and the other of emf 12 volts and internal resi 46. When a wire of uniform cross-section $$a$$ length $$l$$ and resistance R is bent into a complete circle. resistance betw 47. The ratio of the dimensions of Planck's constant and that of moment of inertia is the dimensions of

AIPMT 2005

MCQ (Single Correct Answer)

-1

At 25^oC, the dissociation constant of a base, BOH, is 1.0 $$ \times $$ 10^$$-$$12. The concentration of hydroxyl ions in 0.01 M aqueous solution of the base would be