﻿ NEET Physics Solved Question Paper 2005 | Previous Year Papers | Zigya

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## NEET Physics Solved Question Paper 2005

#### Multiple Choice Questions

1. 'Parsec' is the unit of'
• time

• distance

• frequency

• angular acceleration

2.

In the figure, the position-time graph of a particle of mass 0.1 kg is shown. The impulse at t = 2 sec is

• 0.2 kg m sec-1

• - 0.2 kg m sec-1

• 0.1 kg m sec-1

• - 0.4 kg m sec-1

3.

The pressure exerted by an electromagnetic wave of intensity I ( watt/m2 ) on a nonreflecting surface is [ c is the velocity of light ]

• Ic

• Ic2

• I/c

• I/c2

4.

A block of mass 10 kg is moving in x-direction with a constant speed of 10 m/sec. It is subjected to a retarding force F = -0.1 x joule/meter during its travel from x = 20 meter to x = 30 meter. Its final kinetic energy will be

• 475 joule

• 450 joule

• 275 joule

• 250 joule

5.

The condition for a uniform spherical mass m of radius r to be a black hole is [ G = gravitational constant and g = acceleration due to gravity ]

6.

When a ball is thrown up vertically with velocity  vo, it reaches a maximum height of h. If one wishes triple the maximum height then the ball should be thrown with velocity

• $\sqrt{3}$ vo

• 3vo

• 9vo

• 3/2 vo

7.

A solid sphere is rolling on a frictionless surface, show in figure with a translational velocity v m/s. If it is to climb the inclined surface then v should be

• ≥ $\sqrt{10}{7\mathrm{gh}}}$

• ≥ $\sqrt{2\mathrm{gh}}$

• 2gh

• 10/7 gh

8.

A horizontal platform is rotating with uniform angular velocity around the vertical axis passing through its centre. At some instant of time a viscous fluid of mass 'm' is dropped at the centre and is allowed to spread out and finally fall. The angular velocity during this period

• decreases continuously

• decreases initially and increases again

• remains unaltered

• increases continuously

9.

A ladder is leaned against a smooth wall and  it is allowed to slip on a frictionless floor. Which figure represents trace of its centre of mass.

10.

A person is standing in an elevator. In which situation he finds his weight less?

• When the elevator moves upward with constant acceleration

• When the elevator moves downward with constant acceleration

• When the elevator moves upward with uniform velocity

• When the elevator moves downward with uniform velocity