Question # 1

What is fitted in telephone receiver:

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Electromagnet

Diaphragm

Both a and b

None

If the mass of bob of a simple pendulum is doubled, its time period:

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Is doubled

Becomes four times

Remains same

Becomes half

Magnification of mirror is given by:

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m=p/q

m=q/p

m=pxq

m=1/p+q

the distance between two consecutive trough or crest is called:

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wavelength

frequency

time period

amplitude

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

Short form of information Technology is:

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IT

ITS

CBIS

IS

the resistance of an ammeter should be:

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high

very high

low

constant

The product of frequency and time period is equal to:

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v

0

1

L

In computer terminology, proceed data is called:

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Software

Program

Information

Digital data

A converging lens becomes a magnifying glass when an object is placed:

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Outside of focal length

Inside the focal length

Equal of focal length

At double of focal length

At mean position of pendulum, the potential energy of the pendulum is:

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Maximum

Minimum

Much more

Both a and c

The sound level of rustling of leave is:

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1 dB

20 dB

30 dB

10 dB

What happen to the atomic number of an element which emits one alpha particle and a beta particles.

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Increases by 1

Stay the same

Decrease by 2

Decrease by 1

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