Question # 1

A particle executing simple harmonic oscillations of frequency 100 Hz has an amplitude of 0.1 cm The velocity amplitude of the particleis.

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20 micro cm s-1

10 micro cm s-1

20 cm s-1

19 cm s-1

A body of mass 3 kg lies on the surface of the table 2 m high it is moved on the surface 4 m the change in P.E. will be.

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9.8 J

6 J

Zero

329 J

The graph between restoring force and time in SHM is a

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Straight line

Parabola

Sine wave

Circle

The escape velocity from the earth's surface is

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1.2 km s-1

1.7 km s-1

10.2 km s-1

11.2 km s-1

The moment of linear momentum is called.

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Torque

Couple

Impulse

Angular momentum

The term radius of gyration relates to.

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Moment of force

Moment of inertia

Law of gravitation

simple harmonic motion

The force of friction that comes into action after the motion has started

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Static friction

Dynamic friction

Friction only

Limiting friction

The moment of inertia depends upon

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Mass of the body and its radius

Mass of the body and its angular speed

Mass and angular momentum

Mass as well as the distribution w.r.t axis of rotation

Which of the following is a set of supplementary units.

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Radian and steradian

Radian and mole

Steradian and candela

Radian and kelvin

In rotational motion, the analogue of force is.

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moment of inertia

Moment of force

Torque

Rotational inertia

In projectile motion, the body has

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One component of velocity

Two components of velocity

Three components of velocity

No component of velocity

The reluctance of a body to start moving is called.

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Mass

Weight

Force

Inertia

In the absence of air resistance all objects regardless their weights, fall with

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Same velocity

Different velocity

Same acceleration

Different acceleration

When a force of 4 N acts on a body of mass 2 kg for a time of 2 s, the rate of change of momentum is.

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2 kg ms -1

4 kg ms-1

8 kg m s-1

16 kg m s-1

Which of the following statements concerning G and g is true.

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g is scalar white g is a vector

g is inversely proportional to the mass of the planet

g is independent of the mass of the planet

both G and g have the same units

If the presence of air friction, the path of a projectile appears as.

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Straight line

Parabola

Hyperbola

zig zag

The circular motion of a particles with constant speed is.

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Periodic and SHM

Periodic but not SHM

SHM and not periodic

Neither periodic nor SHM

Frequency of second pendulum is.

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0.5 Hz

1.0 Hz

1.5 Hz

2.0 Hz

A geostationary satellite covers

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100 ^o of longitude

120 ^o of longitude

130 ^o longitude

140 ^o of longitude

The source of geothermal energy is

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The fusion in the sun

the radioactive decay in the earths interior

the rotation of earth around the sun

The rotation of earth around its own axis

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