Question # 1

Which one of the following is an example of resonance

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swing

tuning a radio

microwave oven

all of them

When the bob of simple pendulum is at mean position, its K.E will be

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maximum

minimum

zero

all of them

Time period of simple pendulum is independent of

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length

mass

acceleration due to gravity

none of them

In solids, only following type/s of wave can travel:

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Transverse

Longitudinal

Both A and B

None of them

A wave, which transfer energy by moving away from the source of disturbance is called a

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progressive wave

travelling wave

both of them

none of them

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

A physical system under going forced vibrations is known as

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Simple harmonic oscillator

Compound harmonic oscillator

Physical harmonic oscillator

driven harmonic oscillator

SI unit of wave length is:

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Kilometer

Metre

Centimetre

Hertz

Which type of wave can be set up in solids

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longitudinal waves

transverse waves

both of them

none of them

When two waves with same frequency and constant phase difference phase difference interfere

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There is a gain of energy

There is a loss of energy

The energy is redistributed and the distribution changes with time

The energy is redistributed and the distribution remains constant with time

In the formula for finding the speed of waves in the spring, unit of m in SIn units is:

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kg

kg-meter

kg/meter

Meter/kg

Transverse waves can be set up:

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Solids

Liquids

Gases

All of them

Which of the following is not mechanical wave?

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Sound wave

Light wave

wave produced in spring

None of them

The weight 'mg' of the bob is resolved into

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one component

two components

three components

four components

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

If a wave can be polarized, it must be

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An electromagnetic wave

A longitudinal wave

A progressive wave

A transverse wave

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