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Physics 10th Class English Medium Unit 1 Online Test MCQs With Answers

Question # 1

If the mass of the bob of a pendulum is increased by a factor of 3, the period of the pendulum’s motion will:

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Be increased by a factor of 2

Remain the same

Be decreased by a factor of 2

Be decreased by factor of 4

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Question # 2

The waves in which particles of the medium vibrate perpendicular to the direction of propagation of waves are called:

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Transverse waves

Longitudinal waves

Electromagnetic waves

None of these

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Question # 3

The instrument used to study the properties of waves is called:

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Ripple tank

Stroboscope

Pendulum

None of these

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Question # 4

The product of frequency (f) and wavelengthλ is equal to:

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Time period

Amplitude

Wave speed

Wave energy / frequency

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Question # 5

Which of the following devices can be used to produce both a transverse and longitudinal waves?

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A string

A ripple tank

A helical spring

A tuning fork

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Question # 6

The unit of spring constnat is:

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Nm²

Nm^-1

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Question # 7

The disturbance travelling in a medium is called:

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Wave motion

Simple harmonic motion

Motion

both a ,b

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Question # 8

At extreme position potential energy of the pendulum is

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Maximum

Miimum

a and b

zero

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Question # 9

Which is not a hardware:

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CPU

Window

Keyboard

Mouse

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Question # 10

Shock absorbers in automobiles are one practical application of:

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SHM

Random motion

Damped motion

None of these

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Question # 11

The waves in which particle of the medium vibrate parallel to the direction of waves are called

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Longitudinal waves

Transverse waves

Electromagnetic waves

both b and c

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Question # 12

Wave transfer

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Energy

Frequency

Wavelength

Velocity

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