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

Which one of the following is an example of resonance

Question # 2

Which of the following is not mechanical wave?

Question # 3

When the bob of simple pendulum is at extreme position, its K.E. will be

Question # 4

If two waves of length 50 cm and 51 cm produced 12 beats per second, the velocity of sound is

Question # 5

When sound waves travel from air to water which of these remains constant?

Question # 6

An object undergoes S.H.M has maximum acceleration when its displacement form the means position

Question # 7

Longitudinal waves are also called:

Question # 8

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 9

Angular frequency 'w' is basically a characteristics of

Question # 10

The damping depends upon the

Question # 11

Si units of time period is

Question # 12

Energy is not carried by

Question # 13

In the same medium, velocity of the wave:

Question # 14

Acceleration of the mass at any instant is given by

Question # 15

The frequency of free vibrations is known as

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Example of progressive wave is
A. transverse waves
B. longitudinal waves
C. both of them
D. none of them
2 The vibrations of factory floor caused by the running of heavy machinery is an example of
A. free vibration
B. natural vibrations
C. forced vibrations
D. all of them
3 Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:
A. Rope
B. Coil of spring
C. Water
D. All of them
4 The portion of the water above its mean level forms a:
A. Crest
B. Trough
C. Both A and B
D. None of these
5 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
6 Ultra-violet rays differ from X-rays in that they
A. Cannot be diffracted
B. Cannot be polarized
C. Have a lower frequency
D. Are deviated when they pass through a magnetic field
7 Of the following, the option ______ reminds of longitudinal waves.
A. Sound waves
B. Heat waves
C. Electromagnetic waves
D. Light waves
8 A second's pendulum is a pendulum whose time period is
A. 1 second
B. 2 seconds
C. 3 seconds
D. 4 seconds
9 A traveling wave has a shape of:
A. Square wave
B. Sine wave
C. Parabola
D. hyperbola
10 What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?
A. 1 MHz
B. 10 Hz
C. 1 GHz
D. 100000 Hz

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