AIPMT 2011 Mains | NEET Year Wise Previous Years Questions

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1. A thermocouple of negligible resistance produces an e.m.f. of 40 µV/ºC in the linear range of temperature. A galvanomete 2. Charge q is uniformly spread on a thin ring of radius R. The ring rotates about its axis with a uniform frequency $$f$$ 3. Pure Si at 500 K has equal number of electron (ne) and hole (nh) concentrations of 1.5 $$ \times $$ 1016 m$$-$$3. Doping 4. In the following figure, the diodes which are forward biased, are 5. A Zener diode, having breakdown voltage equal to 15 V, is used in a voltage regulator circuit shown in figure. The curre 6. An electron in the hydrogen atom jumps from excited state n to the ground state. The wavelength so emitted illuminates a 7. Out of the following which one is not a possible energy for a photon to be emitted by hydrogen atom according to Bohr's 8. The threshold frequency for a photosensitive metal is 3.3 $$ \times $$ 1014 Hz. If light of frequency 8.2 $$ \times $$ 1 9. A thin prism of angle 15o made of glass of refractive index $$\mu $$1 = 1.5 is combined with another prism of glass of r 10. A converging beam of rays is incident on a diverging lens. Having passed through the lens the rays intersect at a point 11. The r.m.s. value of potential difference V shown in the figure is 12. A coil has resistance 30 ohm and inductive reactance 20 ohm at 50 Hz frequency. If an ac source, of 200 volt, 100 Hz, is 13. A short bar magnet of magnetic moment 0.4 J T$$-$$1 is placed in a uniform magnetic field of 0.16 T. The magnet is in st 14. A square loop, carrying a teady current $$I$$, is placed in a horizontal plane near a long straight conductor carrying a 15. A galvanometer of resistance, G, is shunted by a resistance S ohm. To keep the main current in the circuit unchanged, th 16. In the circuit shown in the figure, if the potential at point A is taken to be zero, the potential at point B is 17. Three charges, each +q, are placed at the corners of an isosceles triangle ABC of sides BC and AC, 2$$a$$. D and E are t 18. The electric potential V at any point (x, y, z), all in metres in space is given by V = 4x2 volt. The electric field at 19. Two identical piano wires, kept under the same tension T have a fundamental frequency of 600 Hz. The fractional increase 20. Two particles are oscillating along two close parallel straight lines side by side, with the same frequency and amplitud 21. A mass of diatomic gas $$(\gamma = 1.4)$$ at a pressure of 2 atmospheres is compressed adiabatically so that its temper 22. A particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The magnitude of the grav 23. A particle of mass m is thrown upwards from the surface of the earth, with a velocity u. The mass and the radius of the 24. A small mass attached to a string rotates on a frictionless table top as shown. If the tension in the string is increase 25. A mass m moving horizontally (along the x-axis) with velocity $$v$$ collides and sticks to a mass of 3m moving verticall 26. A conveyor belt is moving at a constant speed of 2 ms$$-$$1. A box is gently dropped on it. The coefficient of friction 27. A projectile is fired at an angle of 45o with the horizontal. Elevation angle of the projectile at its highest point as 28. A particle covers half of its total distance with speed v1 and the rest half distance with speed v2. Its average speed d 29. The density of a material in CGS system of units is 4 g cm$$-$$3. In a system of units in which unit of length is 10 cm

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

A short bar magnet of magnetic moment 0.4 J T^$$-$$1 is placed in a uniform magnetic field of 0.16 T. The magnet is in stable equilibrium when the potential energy is

0.064 J

$$-$$ 0.064 J

zero

$$-$$ 0.082 J

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

A square loop, carrying a teady current $$I$$, is placed in a horizontal plane near a long straight conductor carrying a steady current $$I$$₁ at a distance d from the conductor as shown in figure. The loop will experience
AIPMT 2011 Mains Physics - Moving Charges and Magnetism Question 49 English

AIPMT 2011 Mains Physics - Moving Charges and Magnetism Question 49 English

a net attractive force towards the conductor

a net repulsive force away from the conductor

a net torque acting upward perpendicular to the horizontal plane

a net torque acting downward normal to horizontal plane

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

A galvanometer of resistance, G, is shunted by a resistance S ohm. To keep the main current in the circuit unchanged, the resistance to be put in series with the galvanometer is

$${G \over {(S + G)}}$$

$${{{S^2}} \over {\left( {S + G} \right)}}$$

$$\left( {{{SG} \over {S + G}}} \right)$$

$${{{G^2}} \over {(S + G)}}$$

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

In the circuit shown in the figure, if the potential at point A is taken to be zero, the potential at point B is

AIPMT 2011 Mains Physics - Current Electricity Question 79 English

AIPMT 2011 Mains Physics - Current Electricity Question 79 English

+1 V

$$-$$1 V

+2 V

$$-$$2 V

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