Question # 1

A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:

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Longitudinal wave

Transverse wave

No vibration at all

None of them

The loudness and pitch of a sound note depends on

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Intensity and velocity

Frequency and velocity

Intensity and frequency

Frequency and number of harmonic

The natural frequency of a pendulum which is vibrating freely, depends upon its

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mass

length

material

all of them

Which waves are used in sonography?

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Microwaves

Infra red waved

Sound waves

Ultrasonic waves

When an oscillatory motion repeats itself, then this type of motion is called

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vibratory motion

constant motion

fixed motion

periodic motion

Sound waves in air always

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Longitudinal

Transverse

Stationary

Electromagnetic

The principle of superposition states that

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The total displacement due to several waves is the sum of the displacement due to those waves acting individually

Two stationary waves superimpose to give two progressive waves

A diffraction pattern consists of many interference patterns superimposed on one another

Two progressive waves superimpose to give a stationary wave

A second's pendulum is a pendulum whose time period is

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1 second

2 seconds

3 seconds

4 seconds

The velocity of sound at same temperature is maximum in

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H₂

N₂

O₂

NH₃

Which of the following is the longitudinal waves?

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Sound waves

Waves on plucked string

Water waves

Light waves

Such oscillations in which the amplitude decreases steadily with time, are called

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resonance

force oscillations

large oscillations

damped oscillations

Which type of wave can be set up in solids

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longitudinal waves

transverse waves

both of them

none of them

Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at

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subsonic speed

sonic speed

super sonic speed

any one of them

Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:

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Rope

Coil of spring

Water

All of them

For a body executing S. H. M, its

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momentum remains constant

potential energy remains constant

kinetic energy remains constant

total energy remains constant

The maximum displacement of a body on either side of its equilibrium position is called

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frequency

amplitude

displacement

time period

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