Question # 1

The dimension of power are

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[ML2T-3]

[ML2T-2]

[MLT-1]

None of these

By increasing the amount of stretch in spring the force exerted will

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Increase

One watt

One erg

One joule

The unit o pressure of gas is

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Nm^-2

Pascal

Atmosphere

All of these

If a stretched string 4 m long and it has 4 loops of stationary waves, then the wave length is.

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1m

2 m

3 m

4 m

In sonar we use

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Sound waves

Ultrasound waves

Microwaves

Radio waves

A layer over the central core of the jacke is called.

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Jacket

Plastic

Cladding

Rubber

The SI Unit of amount of substance is

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Mole

Joule

Volt

Ohm

When newton ring are seen through the transmitted light, then central spot is.

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Dark

Blue

Bright

Red

When distance is plotted against the force, it is taken along

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x-axis

y-axis

z-axis

None of these

The Carnot cycle can be shown by which graph

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P - T graph

P - V Graph

V- T graph

PV -T graph

A ray of light is a line

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Parallel to wave front

Normal to wave front

Anti-parallel to wave

Any one of these

The speed \velocity of sound is greatest in.

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Air

Steel

Ammonia

Water

_______ is bio fuel

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Water

Petrol

Ethanol

Oil

When a particle is moving along a circular path its projection along the diameter executes

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Linear motion

Vibratory motion

Rotatory motion

SHM

X-ray diffraction has been very useful in determining the structure of

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Hemoglobin

Stars

Galaxies

Stones

The SI unit of product of pressure and volume is.

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_Watt

Joule

Pascal

Newton

Angular velocity determines, How fast or, How slow a body is

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Accelerating

Vibrating

Rotating

Oscillating

When velocity time graph is a straight line parallel to time axis then

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Velocity is zero

Acceleration is constant

Acceleration is zero

Velocity is variable

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