Question # 1

Floppy has a storage capacity

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4-5 MB

3-4 MB

1-3 MB

3-6 MB

The value of acceleration in simple harmonic motion at mean position is

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Maximum

Zero

10 N

Both a , b

First voice signal was transmitted in the form of electrical signal in:

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1870

1875

1876

1880

In a vacuum all electromagnetic waves have the same:

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Speed

frequency

amplitude

wavelength

The force applied on the mass attached with a spring is represented by:

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F_a

F_c

F_ext

F_s

The ratio of external force applied on the spring to displacement is called:

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Hook's law

Constant

Spring constant

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

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Ripple tank

Stroboscope

Pendulum

None of these

Which of the following is a method of energy transfer.

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Conduction

Reatiation

wave motion

all of these

The waves in which particles of the medium vibrate perpendicular to the direction of propagation of waves are called:

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Transverse waves

Longitudinal waves

Electromagnetic waves

None of these

If a wave moves in a slinky spring with frequency of 4Hz and wave length of 0.4m, the speed of the wave will be:

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1.0 ms-1

1.2 ms-1

1.4 ms-1

1.6 ms-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 number of wavelength of waves passing through a point in one secnd is called:

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Time period

Cycle

Frequency

None of these

Waves transfer:

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Energy

Wavelength

Velocity

frequency

With broadband information can be loaded:

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In 1 min

In 1 sec

In 1 day

In 2 days

Program up gradation refers to:

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Program enhancement

Program identification

Program development

Program implementation

The water waves after striking the hurdle will:

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Reflect

Refract

Diffract

All a , b, c

The distance between two consecutive troughs or crests is called:

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wavelength

Frequency

Time period

None of these

Which rays are used to send or receive digital information along aptical fibre:

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infrared

alpha rays

beta rays

mechanical

The oscillations of a system in the presence of _____________ force are called amp oscillations:

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Resistive force

Attractive force

Both of these

None of these

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

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v

1

0

λ

Shock absorbers in automobiles are one practical application of:

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SHM

Random motion

Damped motion

None of these

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