Question # 1

The spin angular momentum and orbital angular momentum are usually differentiated in terms of.

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Radius of bodies

Mass of bodies

Torques of bodies

Momentum of bodes

If two bodes are under a collision that is not perfectly elastic then.

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K.E. is conserved but momentum is not

Momentum is conserved but K.E. is not

Neither K.E. nor momentum is conserved

Both K.E. and momentum are conserved

An object falls freely under gravity the vertical equilibrium of the body inside is

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Stable

Unstable

Neutral

Unknown

Which of the following is not an elastic collision

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A man jumps on a cart

A bullet embedded in a block

Colliding of two glass balls

Colliding of two tennis balls

The static friction is.

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Always equal to dynamic friction

Always less than dynamic friction

Always greater than dynamic friction

Sometimes greater and sometimes less than dynamic friction

Which of the following quantity is zero about the centre of mass of baody.

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Mass

Acceleration

Moment

Angular momentum

The ratio of inertial mass to gravitational mass is.

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1

0.5

2

3

The number 0.02 x 10^-8in standard form will be written as.

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2 x 10^-10

2 x 10^-8

20 x 10^-8

20 x 10^-6

The centre of gravity of a cylinder is.

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At the intersection of medians

At the centre

At the middle point of axis

At the intersection of diagonals

Which of the following is a unit of electric field strength.

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c m-1

v m-2

N C-1

N V-1

When a body acceleatres.

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Its direction always chances

It mass always changes

It velocity always changes

It falls towards the earth

An example of simple harmonic motion is

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Fast moving cricket ball

Motion of bicycle

Motion of a bee

Motion of simple pendulum

Light year is a unit of

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Light

Velocity

Time

Distance

One light year is equal to.

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9.46 x 10¹⁵ cm

9.46 x 10¹⁵ m

9.46 x 10¹⁵ km

7.88 x 10¹⁴ m

Length of second pendulum is

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98 cm

99 cm

99.2 cm

100 cm

In an accelerated or non - inertial frame of reference the weight of the body depends upon.

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Acceleration of the frame of reference

Velocity of the body

Momentum of the body

Velocity of the frame of reference

The SI unit of coefficient of viscosity of

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kg m s-1

kg m-1 s-1

kg ms -2

Absolute P.E. of a body can be calculated

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At centre of the earth

Below centre of the earth

From surface of the earth

Below surface of the earth

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

Which of the following quantities associated with SHM does not vary periodically.

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velocity

Displacement

Acceleration

Total energy

Two vectors of magnitudes 5 N and 7 N respectively are acting on a body if the angle between them is a right angle, their resultant vector will be.

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2 N

4 N

6 N

8 N

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