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

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ECAT Physics Chapter 8 Waves

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Question # 1

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

Question # 2

The waves produced in a microwave oven have frequency

Question # 3

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

Question # 4

It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be

Question # 5

The expression of Hook's law is

Question # 6

Which of the following changes at an antinode in a stationary wave?

Question # 7

A swing has

Question # 8

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

Question # 9

A body is executing free vibrations when it oscilates

Question # 10

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

Question # 11

Shock absorber of the car is an example of

Question # 12

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

Question # 13

The time required to complete on vibration is called

Question # 14

A traveling wave has a shape of:

Question # 15

For a body executing S. H. M, its

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 The loudness and pitch of a sound note depends on
A. Intensity and velocity
B. Frequency and velocity
C. Intensity and frequency
D. Frequency and number of harmonic
3 Energy is not carried by
A. Transverse progressive waves
B. Longitudinal vibration
C. Stationary waves
D. Electromagnetic
4 The waves which propagate through the oscillations of material particles are known as:
A. Mechanical waves
B. Electromagnetic waves
C. Any of them
D. None of them
5 Si units of time period is
A. second
B. hertz
C. revolution
D. vibration/sec
6 The time required to complete on vibration is called
A. frequency
B. total time
C. time period
D. velocity
7 A physical system under going forced vibrations is known as
A. Simple harmonic oscillator
B. Compound harmonic oscillator
C. Physical harmonic oscillator
D. driven harmonic oscillator
8 Which one of the following wave motions is transverse:
A. Wave motion produced in water when a piece of stone is thrown into it
B. Pulling of weight hanging vertically with a spiral spring
C. Both of these
D. None of these
9 When temperature increase, the frequency of a tuning fork
A. Increases
B. Decreases
C. Remains same
D. Increase or decreases depending on the material
10 A traveling wave has a shape of:
A. Square wave
B. Sine wave
C. Parabola
D. hyperbola

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