AIPMT 2015 | NEET Year Wise Previous Years Questions

Biology

Chemistry

Physics

1. A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in a uniform magneti 2. A string is stretched between fixed points separated by 75.0 cm. It is observed to have resonant frequencies of 420 Hz 3. 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is 5.0 J K$$-$$1 mo 4. The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open a 5. A parallel plate air capacitor has capacity C, distance of separation between plates is d and potential difference $$V$$ 6. If potential (in volts) in a region is expressed as V(x, y, z) = 6xy $$-$$ y + 2yz, the electric field (in N/C) at point 7. Two metal wires of identical dimensions are connected in series. If $$\sigma $$1 and $$\sigma $$2 are the conductivity o 8. A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm all connected in series. If the ammeter has 9. A potentiometer wire of length L and a resistance r are connected in series with a battery of e.m.f. E0 and a resistance 10. A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to the field B. I 11. A particle is executing a simple harmonic motion. Its maximum acceleration is $$\alpha $$ and maximum velocity is $$\bet 12. A series R-C circuit is connected to an alternating voltage source. Consider two situations : (a)  When capac 13. An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be 14. The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong ? 15. At the first minimum adjacent to the central maximum of a single-slit diffraction pattern, the phase difference between 16. A beam of light consisting of red, green and blue colours is incifent on a right angled prism. The refractive index of t 17. In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective 18. Two slits in Young's experiment have widths in the ratio 1 : 25. The ratio of intensity at the maxima and minima in the 19. Light of wavelength 500 nm is incifent on a metal with work function 2.28 eV. The de Broglie wavelength of the emitted e 20. A photoelectric surface is illuminated successively by monochromatic light of wavelength $$\lambda $$ and If the maximum 21. A nucleus of uranium decays at rest into nuclei of thorium and helium. Then 22. A force $$\overrightarrow F = \alpha \widehat i + 3\widehat j + 6\widehat k$$ is acting at a point $$\overrightarrow r 23. If vectors $$\overrightarrow A = \cos \omega t\widehat i + \sin \omega t\widehat j$$ and $$\overrightarrow B = \cos {{ 24. The positions vector of a particle $$\overrightarrow R $$ as a function of time is given by $$\overrightarrow R $$ = 4si 25. Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius $${r \over 2}$$ and the lig 26. A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizo 27. Two particles A and B, move with constant velocities $$\overrightarrow {{v_1}} $$ and $$\overrightarrow {{v_2}} $$. At t 28. A ball is thrown vertically downwards from a height of 20 m with an initial velocity v0. It collides with the ground, lo 29. The heart of a man pumps 5 litres of blood through the arteries per minute at a pressure of 150 mm of mercury. If the d 30. On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of same mass M wh 31. An automobile moves on a road with a speed of 54 km h$$-$$1. The radius of its wheels is 0.45 m and the moment of inerti 32. Point masses m1 and m2 are placed at the opposite ends of a rigid rod of length L, and negligible mass. The rod is to be 33. In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Ba 34. A remote-sensing satellite of earth revolves in a circular orbit at a height of 0.25 $$ \times $$ 106 m above the surfac 35. A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the 36. The value of coefficient of volume expansion of glycerin is 5 $$ \times $$ 10$$-$$4 K$$-$$1. The fractional change in th 37. The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of radius r. If the speed of 38. Water rises to a height h in capillary tube. If the length of capillary tube above the surface of water is made less tha 39. The Young's modulus of steel is twice that of brass. Two wires of same length and of same area of cross section, one of 40. An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in th 41. The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is $$-$$20oC, the temperature o 42. Two vessels separately contain two ideal gases A and B at the same temperature, the pressure of A being twice that of B. 43. In the given figure, a diode D is connected to an external resistance R = 100 $$\Omega $$ and an e.m.f. of 3.5 V. If the 44. If dimensions of critical velocity $$\upsilon $$c of a liquid flowing through a tube are expressed as $$\left[ {{\eta ^x

AIPMT 2015

MCQ (Single Correct Answer)

-1

A force $$\overrightarrow F = \alpha \widehat i + 3\widehat j + 6\widehat k$$ is acting at a point $$\overrightarrow r = 2\widehat i - 6\widehat j - 12\widehat k$$. The value of $$\alpha $$ for which angular momentum about origin is conserved is

zero

$$-$$ 1

AIPMT 2015

MCQ (Single Correct Answer)

-1

If vectors $$\overrightarrow A = \cos \omega t\widehat i + \sin \omega t\widehat j$$ and $$\overrightarrow B = \cos {{\omega t} \over 2}\widehat i + \sin {{\omega t} \over 2}\widehat j$$ are functions of time, then the value of t at which they are orthogonal to each other is

$$t = {\pi \over \omega }$$

t $$=$$ 0

$$t = {\pi \over {4\omega }}$$

$$t = {\pi \over {2\omega }}$$

AIPMT 2015

MCQ (Single Correct Answer)

-1

The positions vector of a particle $$\overrightarrow R $$ as a function of time is given by $$\overrightarrow R $$ = 4sin(2$$\pi $$t)$$\widehat i$$ + 4cos(2$$\pi $$t)$$\widehat j$$. Where R is in meters, t is in seconds and $$\widehat i$$ and $$\widehat j$$ denote unit vectors along x-and y-directions, respectively. Which one of the following statements is wrong for the motion of particle?

Magnitude of the velocity of particle is 8 meter/second.

Path of the particle is a circle of radius 4 meter.

Acceleration vector is along $$-$$$$\overrightarrow R $$.

Magnitude of acceleration vector is $${{{v^2}} \over R}$$
where v is the velocity of particle.

AIPMT 2015

MCQ (Single Correct Answer)

-1

Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius $${r \over 2}$$ and the lighter one in radius r. The tangential speed of lighter stone is n times that of the value of heavier stone when they exprience same centripetal forces. The value of n is

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