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

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 8 Waves

00:00
Question # 1

In the formula for finding the speed of waves in the spring, unit of m in SIn units is:

Question # 2

Mechanical waves on the surface of a liquid are

Question # 3

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

Question # 4

Of the following, the option ______ reminds of longitudinal waves.

Question # 5

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

Question # 6

Which of the following is an example of a S.H.M?

Question # 7

Which of the following is not mechanical wave?

Question # 8

Longitudinal waves are also called:

Question # 9

In the production of beats by 2 waves of same amplitude and nearly same frequency, the maximum intensity to each of the constituent waves is

Question # 10

In stationary waves

Question # 11

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

Question # 12

Time period of a simple pendulum depends upon the

Question # 13

The natural frequency of a pendulum which is vibrating freely, depends upon its

Question # 14

SI unit of frequency is

Question # 15

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

Submit

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


Topic Test

00:00
Submit

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

  • A
    Aniq Khan 11 - Mar - 2024 01 Min 59 Sec 60/60
  • H
    Haseeb Ur Rehman raja 25 - Jun - 2024 00 Min 05 Sec 55/60
  • S
    Shayan Rajpoot 16 - Jul - 2024 01 Min 09 Sec 55/60
  • A
    Ahmed Chandio 01 - Aug - 2024 01 Min 21 Sec 55/60
  • M
    Manoush Fatima 31 - May - 2024 03 Min 05 Sec 55/60
  • A
    Abdullah Baloch 02 - Aug - 2024 05 Min 14 Sec 55/60
  • M
    Muneeb ur Rehman 30 - Jun - 2026 02 Min 00 Sec 52/60
  • S
    syed muhammad aans irfan 09 - Jan - 2025 04 Min 34 Sec 50/60
  • M
    Muhammad Hashim 01 - Jun - 2024 02 Min 11 Sec 45/60
  • M
    M.Faiq 21 - May - 2024 02 Min 22 Sec 45/60
  • Z
    Zain hassan Zain 23 - May - 2024 02 Min 46 Sec 45/60
  • Z
    Zaka Ullah 10 - Nov - 2024 02 Min 56 Sec 45/60
  • A
    Ahmad Khan 11 - Sep - 2024 05 Min 50 Sec 45/60
  • N
    nabi bux 17 - Aug - 2024 07 Min 48 Sec 45/60
  • U
    Uzair kk 22 - Jun - 2024 10 Min 19 Sec 45/60

ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 For production of beats the two sources must have
A. Different frequencies and same amplitude
B. Different frequencies
C. Different frequencies, same amplitude and same phase
D. Different frequencies and same phase
3 The resonance will be sharp, if the amplitude decreases rapidly at a frequency
A. equal to the resonant frequency
B. slight different from the resonant frequency
C. greatly different from the resonant frequency
D. any one of them
4 Sound waves in air always
A. Longitudinal
B. Transverse
C. Stationary
D. Electromagnetic
5 Which of the following is the longitudinal waves?
A. Sound waves
B. Waves on plucked string
C. Water waves
D. Light waves
6 The velocity of sound in air not effected by changes in
A. Moisture contents in air
B. Temperature of air
C. The atmosphere pressure
D. The composition of air
7 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?
A. 100 ms-1
B. 200 ms-1
C. 450 ms-1
D. 900 ms-1
8 If the time period a simple pendulum is 2 s, its frequency would be
A. 2 Hz
B. 1.5 Hz
C. 1.0 Hz
D. 0.5 Hz
9 In the same medium, velocity of the wave:
A. Goes on increasing
B. Remains constant
C. Goes on decreasing
D. None of these
10 A heavily damped system has a fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them

Test Questions