﻿ NEET Physics Solved Question Paper 2004 | Previous Year Papers | Zigya

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NEET Physics Solved Question Paper 2004

Multiple Choice Questions

1.

A particle of mass m moving with velocity v collides with a stationary particle of mass 2m. The speed of the system, will be

• 3v

• $\frac{\mathrm{v}}{2}$

• $\frac{\mathrm{v}}{3}$

• 2v

2.

The dimensions of gravitational constant are

• $\left[{\mathrm{ML}}^{3}{\mathrm{T}}^{-2}\right]$

• $\left[{\mathrm{M}}^{-1}{\mathrm{L}}^{2}{\mathrm{T}}^{-2}\right]$

• $\left[{\mathrm{ML}}^{-2}{\mathrm{T}}^{2}\right]$

• $\left[{\mathrm{M}}^{-1}{\mathrm{L}}^{3}{\mathrm{T}}^{-2}\right]$

3.

A stone is thrown with an initial speed of 4.9m/s from a bridge in vertically upward direction.It falls down in water after 2sec. The height of bridge is

• 24.7m

• 19.8 m

• 9.8 m

• 4.9 m

4.

A ball of mass 10 g moving with acceleration of 20 m/s2 is hit by a force which acts on it for 0.1 sec. The impulsive force is

• 1.2Ns

• 0.3Ns

• 0.1Ns

• 0.5Ns

5.

The earth of mass =6×1024 kg revolves around the sun with an angular velocity of 2×10-7 rad/s in a circular orbit of radius 1.5×108 km. The force exerted by the sun on earth is

• 6×1019 N

• 18×1025 N

• 36×1021 N

• 27×1039 N

6.

• 100J

• 50J

• 200J

• 75J

7.

The work done in pulling up a block of wood weighing 2 kN for a length of 10 m on a smooth plane inclined at an angle of 15° with the horizontal is

• 9.82 kJ

• 89 kJ

• 4.35 kJ

• 5.17 kJ

8.

If the heat of 110 J is added to a gaseous system, whose internal energy is 40 J, then the amount of external work done is

• 180J

• 70J

• 110J

• 30J

9.

The ratio of electrostatic and gravitational forces acting between electron and proton separated by a distance 5×1011m will be (charge on electron =1.6×10-19 C, mass of electron =9.1×10-31 kg, mass of proton =1.6×10-27 kg, G=6.7×10-11 Nm2/kg2 )

• 2.36×1039

• 2.36×1040

• 2.36×1041

• 2.34×1042

10.

Amount of work which can be obtained from 200 cal heat, will be

• 280 J

• 800 J

• 420 J

• 840 J