Question # 1

The relation between v,f andλ of a wave is:

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vf=λ

fλ = v

vλ =f

v=λ/f

The way of doing business by using web is called:

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Sources of entertainment

Web business

E-commerce

E-mail

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

The waves in which particles of the medium vibrate perpendicular to the directions waves are:

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Electromagnetic waves

Sound waves

bothe a and b

Transverse waves

The part of waves at which particles of the medium are below the normal position are called:

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Extreme positon

Crest

Trough

None of these

Program up gradation refers to:

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Program enhancement

Program identification

Program development

Program implementation

BASIC is a:

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High level language

Low level language

Assembly language

Machine Language

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

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

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Time period

Amplitude

Wave speed

Wave energy / frequency

The maximum displacement from mean position is called:

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Maximum height

Time period

Amplitude

Intervel

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

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Ripple tank

Stroboscope

Pendulum

None of these

In simple Harmonic motion, the acceleration of the body is _____ proportional to the displacement.

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Inversely

Directly

Equally

None of these

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

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speed

frequency

amplitude

wavelength

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

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