Question # 1

The ideal gas law is.

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PV =NVk

P = NkT

PV =nRT

P=nRT

Which of the following is evidence of wave nature of light

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Interference

Diffraction

Polarization

All of these

Light entering rom air glass does not change in its.

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Frequency

Wavelength

Velocity

Direction

A body rotating with angular velocity of 2 radian/s and linear velocity is also 2 ms-1, then radius of circle is.

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1 m

0.5 m

4 m

2 m

Work has dimension lime

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Torque

Momentum

Velocity

Power

The magnitude of A will be

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Zero

A²

1

A

If a body of mass 5 kg is raised vertically through a distance of 1 m, then work done is.

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49 J

4.9 J

490 J

0.49 J

Image formed by a concave lens is

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Real

Virtual

Erect

None of these

Hygen's principle is used for.

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Explain polarization

Locate the wave front

Find the speed of light

Find the index of refraction

Angular frequency is the characteristic of

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Linear motion

Vibratory motion

Circular motion

All of these

S.I Unit of pressure of gas is.

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Nm

N.m

N2/m

N3m

In reversible process the entropy of system.

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Remain constant

Decrease

Increase

Becomes zero

Waves transport energy without transporting

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Matter

Force

Momentum

All of these

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.

The orbital angular momentum is associated with the motion of a body along

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Straight path

Circular path

Curved path

Along any path

Distance covered by a freely falling body is 2 seconds will be

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9.8 m

19.6 m

44.4 m

49 m

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

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Hemoglobin

Stars

Galaxies

Stones

The entropy of the universe with passage of time is.

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Increases

Decreases

Remain constant

Increases and decreases

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Physics Fsc Part 1 Online Test MCQs With Answers

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