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

Si units of time period is

Question # 2

Waves transport energy

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

If the time period a simple pendulum is 2 s, its frequency would be

Question # 7

Fluids can transmit:

Question # 8

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

Question # 9

The expression of Hook's law is

Question # 10

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

Question # 11

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

Question # 12

For transmission of both transverse and longitudinal waves, we can use:

Question # 13

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 # 14

The square of 0.4 is:

Question # 15

The waves moving from a sitar to a listener in air are

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 Ultra-violet rays differ from X-rays in that they
A. Cannot be diffracted
B. Cannot be polarized
C. Have a lower frequency
D. Are deviated when they pass through a magnetic field
2 The force which opposes the applied force producing the displacement in the spring is called
A. restoring force
B. periodic force
C. centripetal force
D. resistive force
3 When an oscillatory motion repeats itself, then this type of motion is called
A. vibratory motion
B. constant motion
C. fixed motion
D. periodic motion
4 The damping depends upon the
A. amplitude
B. sharpness
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 body is executing free vibrations when it oscilates
A. with the interference of an external force
B. without the interference of an external force
C. with the interference of an internal force
D. none of them
7 When a body is performing S.H.M., its acceleration is
A. inversely proportional to the displacement
B. directly proportional to the applied force
C. directly proportional to the amplitude
D. directly proportional to the displacement but in opposite direction
8 When two waves with same frequency and constant phase difference phase difference interfere
A. There is a gain of energy
B. There is a loss of energy
C. The energy is redistributed and the distribution changes with time
D. The energy is redistributed and the distribution remains constant with time
9 The expression of Hook's law is
A. F=ma
B. F=kx
C. F= -kx
D. -kx=ma
10 If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be
A. Increasing by a factor of 2
B. Decreasing by a factor of 2
C. Decreasing by a factor of 4
D. Unchanged

Test Questions