﻿ NEET Physics Solved Question Paper 2003 | Previous Year Papers | Zigya

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## NEET Physics Solved Question Paper 2003

#### Multiple Choice Questions

1.

Two spherical shells one which is placed in air has constant charge Q; and the other which is placed in a medium of dielectric constant K has a charge Q;­ The ratio of forces between the shell is:

• K : 1

• 1 : K

• K2 : 1

• 1 : K2

2.

A block of mass 1 kg is placed on the wall under a force F. If coefficient of friction ($\mathrm{\mu }$) is 0.5, then minimum value of force applied is :

• 9.8 N

• 49 N

• 19.6 N

• 1.96 N

3.

Mass of a planet is 10 times that of earth and radius is 2 times that of earth. If at the earth, the escape velocity of a satellite is Ves(e), then escape. velocity at the planet is :

• $\sqrt{5}$ves(e)

• 5ves(e)

• 2$\sqrt{5}$ ves(e)

• 10 ves(e)

4.

A car and a container, moving with equal kinetic energies are stopped by applying a negative acceleration. Then

• container will move less distance before being stopped

• both will become stationary after moving some distance

• car will move less distance before being stopped

• none of the above

5.

The mass of a solid sphere is 2 kg and radius is 10 cm. Sphere, tied to one end of 1 m long string, is rotated at a rate of 10 rad/sec. The rotational kinetic energy of sphere is :

• 121.4 J

• 18.5 J

• 15.2 J

• 22.0 J

6.

A rocket is accelerated with speed v= 2$\sqrt{g{R}_{e}}$, near earth surface and then it moves upward. At far distance from the earth surface, the speed of the rocket will
be:

• $\sqrt{g{R}_{e}/2}$

• $\sqrt{g{R}_{e}}$

• (2-$\sqrt{2}$)$\sqrt{g{R}_{e}}$

• $\sqrt{2g{R}_{e}}$

7.

In the rotational motion, different particles of the body have :

• both linear and angular velocities equal

• linear velocities equal but different angular velocities

• angular velocities equal but different linear velocities

• both linear and angular velocity different

8.

A car covers 2/5 of a certain distance with speed v1 and rest 3/5 part with velocity v2. The average speed of the car is :

• $\frac{1}{2}\sqrt{{\mathrm{v}}_{1}{\mathrm{v}}_{2}}$

• $\frac{5{\mathrm{v}}_{1}{\mathrm{v}}_{2}}{3{\mathrm{v}}_{1}+2{\mathrm{v}}_{2}}$

• $\frac{2{\mathrm{v}}_{1}{\mathrm{v}}_{2}}{{\mathrm{v}}_{1}+{\mathrm{v}}_{2}}$

• $\frac{{\mathrm{v}}_{1}+{\mathrm{v}}_{2}}{2}$

9.

The momentum of two masses m1 and m2 are same. The ratio of their kinetic energies E1 and E2 is

• m1 : m2

• m2 : m1

• m12 : m22

10.

A car is moving with speed 30 m/s on a circular path of radius 500 m. If its speed is increasing at a rate of 5m/s2, then resultant acceleration at that instant is

• 6.83 m/s2

• 8 m/s2

• 5.31 m/s2

• 4 m/s2