Question # 1

This is used for

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Co-efficient of friction

Co-efficient of expansion

Co-efficient of viscosity

Co-efficient of contraction

The amount of inertia of 10 kg hoop about the axis of rotation perpendicular to its plane having radius 5 m is

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50 kgm2

100 K gm2

150 K gm2

250 K gm2

Frequency range of hearing of cats is.

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20-20000 Hz

10- 10000 Hz

60-20000 Hz

60-70000 Hz

The diver spin faster when moment of inertia becomes.

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smaller

Greater

Constant

Equal

For working of heat engine, there must be.

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A source

A sink

either of these

Both of these

Star moving towards the earth show

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Red shift

Blue shift

Green shift

Yellow shift

The direction of angular velocity is determined.

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Left hands rule

Head to tail rule

Right hand rule

General rule

Light year is the unit of

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Distance

Time

Light

Velocity

The Science of physics based on

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Fundamental Quantities

Hyppthesis

Experimetns and measurement

Only definitaon

The Branch of hysics wave mechanics introduced by

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einstein

De broglie

Max Planck

Bohar

Bunsen burner works on the principle of.

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Venturi effect

Terricilli's effect

Bernoulli's effect

None of these

the example of mechanical waves is

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Water waves

Infrared waves

Radio waves

Ultraviolet waves

The word Fluid means

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To rise

To fall

To flow

To oppose

If the slope of a velocity time graph gradually decreases than body is said to be moving with

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Positive acceleration

Negative acceleration

Uniform velocity

None

One complete round trip of a body is called

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Displacement

Time period

Vibration

Frequency

Longitudinal waves do not exhibit

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Reflection

Refraction

Polarization

Diffraction

One radian is equal to.

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75.3^o

57.3^o

35.7^o

73.3^o

The resultant of two vectors having magnitude 12 N and 8 N can not be

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2 N

20 N

10 N

16 N

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