Question # 1

Time period of geostationary satellite of radius 'R' is

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1 hour

48 min

1 day

1 month

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The focal length of convex lens

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Negative

Positive

small

Large

The phenomenon of polarization of light reveals that sun light is

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Longitudinal waves

Transverse wave

Electromagnetic waves

Monochromatic wave

The error is constant for ............error

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Random

Systematic

Both a and b

All

The centre of Newton's rings will be

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Dark

Bright

Coloured

Not visible

Velocity of sound is independent of

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Temperature

Density

Pressure

Medium

--------- is area of physics

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Chemical physics

astrophysics

Mechanics

None of these

Longitudinal waves do not exhibit

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Reflection

Refraction

Polarization

Diffraction

The law of conservation of energy is the basis of.

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Stream line flow

Equation of continuity

Bernoulli's equation

Venture relation

For 0.0036 no. of significnat digits

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1

3

2

4

A gas performs 10 J of work while expanding adiabatically. the change in its internal energy is.

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10 J

-10 J

100 J

-200 J

Engineering physics, Astrophysics,Bio Physics and Geophysics are

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Branches of Physics

Branches of Chemistry

Applied Physics

None of these

If the slope of the velocity time graph remain constant then body is moving with.

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Uniform velocity

Negative variable acceleration

Variable acceleration

Uniform acceleration

Close orbiting satellites orbit the earth at a height of about

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400 km

4000 km

400 m

400 cm

No body begins to move or comes to rest of itself was given by

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Newton

Pascal

Bernoulli

Bu Ali Sina

Light waves are

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Longtail waves

Transvers waves

Stationary waves

Mechanical wave

The direction of null vector can be

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(+) ve

(-) ve

Arbitrary

Zero

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