Question # 1

The equations of angular motion hold only in case when the axis of rotation is

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Moving

Fixed

Both a and b

None of these

The angle between circumference of a circle and center is

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Which is not the essential component of a spectrometer.

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Collimator

Telescope

Turntable

Microscope

The area between velocity time graph and the time axis is numerically equal to.

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?Speed of object

Distance covered by the object

Average velocity of the object

Acceleration of the object.

Inertia may expressed in

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Kg

Newton

Watt

Joule

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

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

Using a graded Index fibre, the time difference is reduced to about.

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1 ns per km

33 ns per 100 km

33 ns per km

1 ns per 100 km

__ will travel faster than other through an optical fibre.

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Ultraviolet light

Visible light

Infrared light

White light

Weight of a 60 kg man in moving elevator with constant acceleration of 1/2 f

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Zero

300 N

600 N

200 N

When the amplitude of a wave is increase to doubled is energy.

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Remain the same

Increases 4 times

Increases by two times

Decreases by half

No of spark plugs needed in the diesel engine are.

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0

1

2

3

The resultant of two forces 3 N and 4 N acting at right angle to each other is

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7 N

5 N

4 N

1 N

In rotational motion the torque is equal to rate of change of

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Angular velocity

Linear momentum

Angular momentum

Angular acceleration

The to and fro motion of a body is called

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Linear motion

Rotational motion

Vibratory motion

None of these

The unit of work in base unit is

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Kg m-1 sec-2

Kgm sec-2

Kgm2 sec-1

Kgm-1 sec-1

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

A swing is good example of

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Resonance

Vibration

Time period

Oscillation

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11th Class Part 1 Physics Test Online MCQs With Answers

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