Question # 1

The waves in which particles of the medium vibrate perpendicular to the directions waves are:

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Electromagnetic waves

Sound waves

bothe a and b

Transverse waves

The formula of time period of simple pendulum is:

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T = 2π √L/g

T = 2π (L/g)

T = 2π√1/g

T = 1/2π √L/g

To get a design on the computer screen by moving a pointer with the help of mouse is called:

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word processing

graphic designing

data managing

telecommunication

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

The part of waves at which particles of the medium are below the normal position are called:

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Extreme positon

Crest

Trough

None of these

The product of frequency (f) and wavelengthλ is equal to:

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Time period

Amplitude

Wave speed

Wave energy / frequency

Which of the following is a method of energy transfer:

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Conduction

Radiation

Wave motion

All of these

How many possible solutions are there for a prblem?

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One

Two

Three

Multiple

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

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 speed of waves can be calculated by:

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Vt

d x t

f λ

Tf

Which is not a hardware:

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CPU

Window

Keyboard

Mouse

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