Question # 1

Unit of acceleration is

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ms-1

ms

ms-2

m2s

The magnifying power is also called

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Resolving power

Angular magnification

Strength of eye

None of these

The direction of angular velocity of along the

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Tangent at that point

Axis of rotation

Radius towards the centre

Radius away from the centre

Moment of inertia is measure din

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Kg m2

Kg m-2

Rad s-1

Joule second

A 2 meter of high tank is full of water. If a hole appears at its middle, then the speed of efflux is.

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4.4 ms-1

10 ms-1

6.2 ms-1

20 ms-1

The accepted value for speed of light in vacuum

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2.99 x 10⁸m - sec^-1

2.99 x 10⁶m - sec^-1

2.99 x 10⁸km - sec^-1

2.99 x 10⁸m - h^-1

A convex lens can be used as

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Simple microscope

Compound microscope

Telescope

Spectrometer

Standard metal according to Michelson's interferometer is equivalent to

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1553163.5 wave meter

3 x 108meter

15503000 meter

None of these

Work has dimension lime

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Torque

Momentum

Velocity

Power

If the wave motion is 0.01 sec and wave speed is 100 ms-1 then frequency of wave is.

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0.5 Hz

1 Hz

10 Hz

100 Hz

Salter's duck was invented by

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Newton

Einstein

Prof Salter

Maxwell

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

Which one is non renewable source of energy.

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Hydro electric

Bio mass

Tides

Oil

Bending of light around the edges of an obstacle is called.

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Refraction

Polarization

Interference

Diffraction

The K.E. of bullet of mass 500 gm moving at a speed of 200 ms-1

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250 J

125 J

2500 J

10,000 J

the work done in isochoric process is.

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Constant

Variable

Zero

Depend upon condition

According to Hygen's principle, each point on a wave front acts as a source of.

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Secondary wavelet

New wave front

Sound

Primary wavelet

The ratio of size of image and size of object is

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Focal length

Magnification

Resolving power

Principle focus

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