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

The total energy of spring mass system is

Question # 2

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

Question # 3

When a body is performing S.H.M., its acceleration is

Question # 4

Transverse waves can be set up:

Question # 5

Time period of simple pendulum is independent of

Question # 6

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

Question # 7

While describing the motion of a simple pendulum, the frictional effects are

Question # 8

The number of vibrating body at any instant from its equilibrium position is called

Question # 9

The time required to complete on vibration is called

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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 # 14

When a mass 'm' is pulled slowly, the spring stretches by an amount x0,then the average force would be

Question # 15

Ultra-violet rays differ from X-rays in that they

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Through which character we can distinguish the light waves from sound waves
A. Interference
B. Refraction
C. Polarization
D. Reflection
2 If a freely oscillating system is subjected to an external force, then
A. free vibrations will take place
B. the body will move with its natural frequency
C. forced vibrations will take place
D. none of them
3 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
4 For transmission of both transverse and longitudinal waves, we can use:
A. Solid
B. Gas
C. Plasma
D. None of these
5 The waves produced in a microwave oven have wavelength.
A. 12 mm
B. 12 cm
C. 12 m
D. 12 mm
6 Smaller the damping, greater will be the
A. frequency
B. wavelength
C. amplitude
D. none of them
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 A traveling wave has a shape of:
A. Square wave
B. Sine wave
C. Parabola
D. hyperbola
9 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
10 The wave motion set up in any medium depends upon:
A. Elasticity
B. Inertia
C. Density
D. All of these

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