Question # 1

The mean kinetic energy of gas is at.

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0 ^oC

-273 ^oC

100 K

100 ^oC

Radar system is an application of.

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Chemical effect

Electric effect

Magnetic effect

Doppler's effect

One complete round trip of a vibrating body is called.

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Frequency

Time period

Vibration

Amplitude

The product of cross sectional area of a pipe and speed of fluid along the pipe is

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Zero

Maximum

Constant

Variable

The number 64.350 is rounded off as

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64.4

64.46

63.35

64.36

When a body is whirled in a horizontal circle by means of string, the centripetal force is supplied by

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Mass of body

Velocity of a body

Tension in the string

Centripetal acceleration

A ray of light shows the direction of propagation of light It is line which is.

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Normal to the wave front

Parallax to the wave front

Opposite to the wave front

Equal to the wave front

Dimensional analysis helps in

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To convert one unti into another

Finding relation between quantities

To confirm the correct answer

All of the abvove

The diastolic pressure of a normal healthy person is.

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120 torr

110 torr

100 torr

75-80 torr

The difference between two molar capacities is equal to.

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Plank's constant

General gas constant

Molar gas constant

Boltzmann constant

Apparent weight of a man is in upward accelerated lift will

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Increases

Decreases

Remain same

Increases then decrees

Two vector can be added by simple arithmetical method when they are at an angle of.

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120^o

90^o

0^o

45^o

If a rocket is accelerating upward with an acceleration of 2 g, an astronaut of weight, mg in the rocket shows apparent weight.

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Zero

Mg

2 mg

3 mg

Stationary waves are generated on a string of high l, if tension is increased , frequency of vibration will

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Decrease

Unchanged

Half

Increases

The space within which gravitational force acts on a body is called

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Electric field

Gravitational field

Magnetic field

Force field

A stretched string 2 m long and it has 2 hopes of stationary waves hen the wavelength is

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4 m

2 m

3 m

1 m

Physical quantiaties are divided into

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Two Categories

Six categories

Three categories

None of these

[LT-2] is demensional formula for

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Acceleration

Velocity

Force

Momentum

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1st Year Fsc Physics Online Test MCQs With Answers

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