ECAT Pre Computer Science Chapter 8 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 8 Waves

Try The MCQ's Test For ECAT Physics Chapter 8 Waves

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ECAT Physics Chapter 8 Waves

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Question # 1

One complete round trip of the body about its mean position is called

Question # 2

Ultra-violet rays differ from X-rays in that they

Question # 3

Sound waves in air always

Question # 4

Which one of the following wave motions is transverse:

Question # 5

The waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as

Question # 6

The waves produced in a microwave oven have wavelength.

Question # 7

The instantaneous velocity of a body moving along a circle is directed

Question # 8

Longitudinal waves are also called:

Question # 9

Velocity of sound in vacuum (in m/s) is

Question # 10

The velocity of sound in air not effected by changes in

Question # 11

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

Question # 12

In the same medium, velocity of the wave:

Question # 13

Which of the following is not mechanical wave?

Question # 14

The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:

Question # 15

A traveling wave has a shape of:

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 A physical system under going forced vibrations is known as
A. Simple harmonic oscillator
B. Compound harmonic oscillator
C. Physical harmonic oscillator
D. driven harmonic oscillator
2 Which one of the following could be the frequency of ultraviolet radiation?
A. 1.0 x 106Hz
B. 1.0 x 109Hz
C. 1.0 x 1012Hz
D. 1.0 x 1015Hz
3 The loudness and pitch of a sound note depends on
A. Intensity and velocity
B. Frequency and velocity
C. Intensity and frequency
D. Frequency and number of harmonic
4 Velocity of sound in vacuum (in m/s) is
A. 330
B. 1000
C. 156
D. 0
5 Crests and troughs are formed in:
A. Longitudinal waves
B. Transverse waves
C. Both of these
D. None of these
6 Time period of simple pendulum is independent of
A. length
B. mass
C. acceleration due to gravity
D. none of them
7 A weakly damped system has fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
8 The total energy of spring mass system is
A. zero
B. changing with time
C. constant
D. none of them
9 If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:
A. Stationary waves
B. Transverse waves
C. Both of these
D. None of these
10 When a body moves to and fro motion, this type of motion is called
A. translatory motion
B. circular motion
C. oscillatory motion
D. all of them

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