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

Crests and troughs are formed in:

Question # 2

Laplace formula is derived from

Question # 3

transverse wave motion is possible in:

Question # 4

Progressive waves of frequency 300 Hz are superimposed in produced a system of stationary waves in which adjacent nodes are 1.5 m apart. What is the speed of the progressive waves?

Question # 5

When temperature increase, the frequency of a tuning fork

Question # 6

There is no net transfer of energy by particle of medium in

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Which one is not produced by sound waves in air?

Question # 11

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?

Question # 12

Resonance occurs when one of the natural frequencies of vibration of the forced or driven harmonic oscillator

Question # 13

Which type of wave can be set up in solids

Question # 14

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

Question # 15

The ratio of velocity of sound in air at 4 atm pressure and that at 1 atm pressure would be

Question # 16

In case of mechanical waves, we study the motion of

Question # 17

The waves produced in a microwave oven have frequency

Question # 18

If the mass of the simple pendulum becomes double, its time period

Question # 19

In transverse waves, the individual particles of the medium move:

Question # 20

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

Question # 21

The waves which propagate through the oscillations of material particles are known as:

Question # 22

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

Question # 23

The velocity of sound is greatest in

Question # 24

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

Question # 25

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

Question # 26

A physical system under going forced vibrations is known as

Question # 27

A body is executing free vibrations when it oscilates

Question # 28

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

Question # 29

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

Question # 30

An object undergoes S.H.M has maximum speed when its displacement from the mean position is

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 When temperature increase, the frequency of a tuning fork
A. Increases
B. Decreases
C. Remains same
D. Increase or decreases depending on the material
2 When a mass 'm' is pulled slowly, the spring stretches by an amount xo, then the work done will be
A. W=Kxo
B. W=1/2Kxo
C. W=1/2Kx2o
D. W=4Kxo
3 Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as
A. waves
B. beat
C. interference
D. resonance
4 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
5 When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:
A. Longitudinal waves
B. Transverse waves
C. Water waves
D. Complex waves
6 In solids, only following type/s of wave can travel:
A. Transverse
B. Longitudinal
C. Both A and B
D. None of them
7 Acceleration of the mass at any instant is given by
A. a=k/m x
B. a= - m/k x
C. a = - k/m x
D. a=m/k x
8 The expression of Hook's law is
A. F=ma
B. F=kx
C. F= -kx
D. -kx=ma
9 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
10 The temperature at which the speed of sound becomes double as was at 27°C is
A. 273°C
B. 0°C
C. 927°C
D. 1027°C

Test Questions

Is this page helpful?