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

The characteristic of a body executing S.H.M is that its acceleration is

Question # 2

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 # 3

The waves in which the particles of the medium have displacement along the direction of propagation of waves are called

Question # 4

In solids, only following type/s of wave can travel:

Question # 5

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

Question # 6

The expression of Hook's law is

Question # 7

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

Question # 8

To hear a clear echo, the reflecting surface must be at a minimum distance of

Question # 9

When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be

Question # 10

Decibel is unit of

Question # 11

Which one of the following elasticizes is possessed by fluids:

Question # 12

The velocity of sound at same temperature is maximum in

Question # 13

A stationary sound wave has frequency 165 Hz (speed of sound in air = 330 m/s) then distance between two consecutive nodes is

Question # 14

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

Question # 15

In stationary waves

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
  • 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
  • R
    Rabia 76 03 - Jun - 2024 02 Min 21 Sec 40/60

ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 If the displacement of a body executing S.H.M is plotted against time, then the curve is known as
A. frequency of S.H.M
B. period of S.H.M
C. wave form
D. none of them
2 The natural frequency of a pendulum which is vibrating freely, depends upon its
A. mass
B. length
C. material
D. all of them
3 If the length of second pendulum becomes four times then its time period will become
A. Four time
B. Two times
C. Six times
D. Eight times
4 In the formula for finding the speed of waves in the spring, unit of m in SIn units is:
A. kg
B. kg-meter
C. kg/meter
D. Meter/kg
5 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
6 Fidelity refers to
A. Reproduction of original sound
B. Reproduction of original image
C. Reproduction of music
D. Reproduction of a CD from original copy
7 When temperature increase, the frequency of a tuning fork
A. Increases
B. Decreases
C. Remains same
D. Increase or decreases depending on the material
8 Which of the following does not exhibit S.H.M?
A. a plucked violin string
B. a mass attached to a spring
C. a train shunting between two terminals
D. a simple pendulum
9 The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called
A. rotatory motion
B. motion under gravity
C. angular motion
D. simple harmonic motion
10 A weakly damped system has fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them

Test Questions

Is this page helpful?