ECAT Pre General Science Physics Chapter 8 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 8 Waves

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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 8 Waves

00:00
Question # 1

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

Question # 2

Fidelity refers to

Question # 3

The expression for restoring force is

Question # 4

The resonance will be sharp, if the amplitude decreases rapidly at a frequency

Question # 5

If a simple pendulum is shifted from karachi to K-2 cliff, its time period

Question # 6

If the length of second pendulum becomes four times then its time period will become

Question # 7

When a body moves to and fro motion, this type of motion is called

Question # 8

Which of the following medium/media can transmit both transverse and longitudinal waves:

Question # 9

The waves which propagate out in space due to oscillation of electric and magnetic fields are known as

Question # 10

The temperature at which the speed of sound becomes double as was at 27°C is

Question # 11

In the same medium, velocity of the wave:

Question # 12

Si units of time period is

Question # 13

A body is executing free vibrations when it oscilates

Question # 14

When two waves with same frequency and constant phase difference phase difference interfere

Question # 15

The velocity of sound is greatest in

Question # 16

The waves produced in a microwave oven have wavelength.

Question # 17

What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?

Question # 18

At 'resonance' the transfer of energy from deriving source to the oscillator is

Question # 19

A heavily damped system has a fairly

Question # 20

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

Question # 21

The force which opposes the applied force producing the displacement in the spring is called

Question # 22

The vibratory or oscillatory motion of a body is

Question # 23

The frequency of free vibrations is known as

Question # 24

Transverse waves can be set up:

Question # 25

The wave motion set up in any medium depends upon:

Question # 26

The phase determines the

Question # 27

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

Question # 28

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be

Question # 29

For a body executing S. H. M, its

Question # 30

When a mass 'm' is pulled slowly through a distance 'xo' , the elastic potential energy of the spring would be

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 8 Waves MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 8 Waves MCQ`s Test

  • S
    Samavia Khan 10 - Mar - 2024 08 Min 35 Sec 75/120
  • M
    Mr. xall 10 - Feb - 2023 10 Min 08 Sec 65/120
  • N
    Nabeel 22 - Feb - 2018 16 Min 00 Sec 60/120
  • W
    Waleed Ahmed 24 - Feb - 2023 09 Min 17 Sec 40/120
  • A
    Arsalan Abro 14 - Jun - 2023 03 Min 03 Sec 20/120

ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 In transverse waves, the individual particles of the medium move:
A. In circles
B. Perpendicular to the direction of level
C. Parallel to the direction of level
D. None of these
2 The waves in which the particles of the medium have displacement along the direction of propagation of waves are called
A. longitudinal waves
B. transverse waves
C. non-mechanical waves
D. none of them
3 The waves which propagate out in space due to oscillation of electric and magnetic fields are known as
A. e.m. waves
B. mechanical waves
C. sound waves
D. water waves
4 Transverse waves can be set up:
A. Solids
B. Liquids
C. Gases
D. All of them
5 Longitudinal waves are also called:
A. Congressional waves
B. Transverse waves
C. Radio waves
D. None of them
6 Crests and troughs are formed in:
A. Longitudinal waves
B. Transverse waves
C. Both of these
D. None of these
7 Which type of wave can be set up in solids
A. longitudinal waves
B. transverse waves
C. both of them
D. none of them
8 It is possible to recognize a person by hearing his voice even if he is hidden behind a solid wall. This is due to the fact that his voice
A. Has a definite pitch
B. Has a definite quality
C. Has a definite capacity
D. Can penetrate the wall
9 To hear a clear echo, the reflecting surface must be at a minimum distance of
A. 10 m
B. 16.5 m
C. 33 m
D. 66 m
10 The total energy of spring mass system is
A. zero
B. changing with time
C. constant
D. none of them

Test Questions

Is this page helpful?