Question # 1

How many possible solutions are there for a prblem?

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One

Two

Three

Multiple

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

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vf=λ

fλ = v

vλ =f

v=λ/f

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

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v

1

0

λ

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

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Ripple tank

Stroboscope

Pendulum

None of these

If the length of a simple pendulum is halved its time period will become:

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T/2

T = T/√2

√2T

2T

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

Which of the following is a method of energy transfer.

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Conduction

Reatiation

wave motion

all of these

The way of doing business by using web is called:

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Sources of entertainment

Web business

E-commerce

E-mail

At extreme position potential energy of the pendulum is

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Maximum

Miimum

a and b

zero

A device which has two ways of communication is:

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television

radio

hard disk

mobile phone

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