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

Fluids can transmit:

Question # 2

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:

Question # 3

Which one of the following could be the frequency of ultraviolet radiation?

Question # 4

Which of the following does not exhibit S.H.M?

Question # 5

Which one is not produced by sound waves in air?

Question # 6

If the external driving force is periodic with a period compareable to the natural period of the oscillator, then we get

Question # 7

A body is executing free vibrations when it oscilates

Question # 8

The bob of a simple pendulum is suspended by

Question # 9

Smaller the damping, greater will be the

Question # 10

The vibratory or oscillatory motion of a body is

Question # 11

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

Question # 12

The waves which propagate by the collision of material particles are known as

Question # 13

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

Question # 14

In a resonance situation the amplitude of the motion may become extra ordinarily large, if

Question # 15

If a freely oscillating system is subjected to an external force, then

Question # 16

A heavily damped system has a fairly

Question # 17

If the displacement of a body executing S.H.M is plotted against time, then the curve is known as

Question # 18

The maximum displacement of a body on either side of its equilibrium position is called

Question # 19

Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as

Question # 20

The distance covered by the wave during one period is called its:

Question # 21

SI unit of wave length is:

Question # 22

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

Question # 23

While describing the motion of a simple pendulum, the frictional effects are

Question # 24

Waves transport energy

Question # 25

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

Question # 26

A second's pendulum is a pendulum whose time period is

Question # 27

Example of vibratory motion is

Question # 28

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

Question # 29

Shock absorber of the car is an example of

Question # 30

When an oscillatory motion repeats itself, then this type of motion is called

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 The weight 'mg' of the bob is resolved into
A. one component
B. two components
C. three components
D. four components
2 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
3 Which of the following is the longitudinal waves?
A. Sound waves
B. Waves on plucked string
C. Water waves
D. Light waves
4 Which type of wave can be set up in solids
A. longitudinal waves
B. transverse waves
C. both of them
D. none of them
5 Smaller the damping, greater will be the
A. frequency
B. wavelength
C. amplitude
D. none of them
6 A stationary sound wave has frequency 165 Hz (speed of sound in air = 330 m/s) then distance between two consecutive nodes is
A. 2 m
B. 1 m
C. 0.5 m
D. 4 m
7 Data transmitted along glass-fiber cables is in the form of pulses of monochromatic red light each of duration 2.5 ns. Which of the following is the best estimate of the number of wavelength in each pulse?
A. 103
B. 106
C. 109
D. 1012
8 Velocity of sound in a diatomic as is 300 m/sec. what is its rms velocity?
A. 400 m/sec
B. 40 m/sec
C. 430 m/sec
D. 300 m/sec
9 If the external driving force is periodic with a period compareable to the natural period of the oscillator, then we get
A. diffraction
B. beat
C. interference
D. resonance
10 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
A. longitudinal waves
B. transverse waves
C. non-mechanical waves
D. none of them

Test Questions

Is this page helpful?