Question # 1

The SI unit of angular displacement is.

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Degree

Revolution

Radian

Rotation

If the temperature of sink is absolute zero then the efficiency of heat engine engine should be.

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100%

50%

Infinite

zero

In case of point source the shape of wave front is

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Circular

Spherical

Elliptical

Square

the length of simple pendulum of time period 1 second is

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2 m

1 m

0.5

0.25 m

The Branch of hysics wave mechanics introduced by

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einstein

De broglie

Max Planck

Bohar

100 radians are equal to.

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57.3^o

75.3^o

573^o

5730^o

The direction of angular acceleration is

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Along the axis of rotation

Perpendicular to the axis of rotation

Opposite to axis of rotation

None of these

The SI unit of power is

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Joule

Newton

Watt

Kilowatt

The difference between tow molar capacities is equal to.

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Plank's constant

General gas equation

Molar gas constant

Boltzmann constant

Unite of thermodynamics scale of temperature is.

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Centigrade

Fahrenheit

Kelvin

Celsius

The produce oscillation, body is pulled away from its

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Mean position

Extreme position

Both a and b

None of these

Star moving towards the earth show

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Red shift

Blue shift

Green shift

Yellow shift

When a fore of 100 N is acting on an object along x-axis then its vertical component will be.

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50 N

0 N

25 N

10 N

The path followed by a projectile in known as its

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Range

Trajectory

Cycle

Height

Motion of projective is

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One dimensional

Two dimensional

Three dimensional

Four dimensional

Which phenomenon of light proves that light waves are transverse in nature.

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Refraction

Reflection

Diffraction

Polarization

[LT-2] is demensional formula for

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Acceleration

Velocity

Force

Momentum

The SI Unit of amount of substance is

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Mole

Joule

Volt

Ohm

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