Question # 1

The distance between two consecutive troughs or crests is called:

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wavelength

Frequency

Time period

None of these

Program up gradation refers to:

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Program enhancement

Program identification

Program development

Program implementation

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

Which of the following is an example of simple harmonic motion ?

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Motion of the simple pendulum

The motion of ceiling fan

The spining of the Earth on its axis

A bouncing ball on a floor

The waves, which are used to detect the broken bones, are called:

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Light waves

x-rays

Sound waves

both b,c,

The time period of frequency and time period is equal to:

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v

1

0

λ

Diffraction of wave can be observed clearly only when the size of slit or obstacle is nearly__________ to the wavelength of the wave:

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Two times

Equal

Four times

None of these

Which of the following characteristics of a wave is independent of the others:

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speed

frequency

amplitude

wavelength

The oscillations of a system in the presence of _____________ force are called amp oscillations:

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Resistive force

Attractive force

Both of these

None of these

If the mass of a spring mass system is doubled, its time period becomes:

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√2 T

T/2

√T/2

T/√2

The time period of mass attached with a spring can be calculated by:

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T = 2π√L/g

T = 1/T

T =2π√g/L

T = 2π√m/k

Which of the following characteristic of a wave is independent of the others .

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speed

frequency

amplitude

wavelength

The unit of frequency is:

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Heartz

Vibration per second

Cycle per second

all a, b, c

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

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