ECAT Pre Computer Science Chapter 8 online mcq test with answers for Physics chapter 8 (Waves)

Online MCQ's Test For ECAT Physics Chapter 8 Waves Online Test

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ECAT Physics Chapter 8 Waves Online Test

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Question # 1

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

1 MHz A
10 Hz B
1 GHz C
100000 Hz D

Question # 2

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

P.E=Kx²_o A
P.E= 1/2kx_o B
P.E=1/2Kx²_o C
P.E=Kx²_o D

Question # 3

The velocity of sound at same temperature is maximum in

H₂ A
N₂ B
O₂ C
NH₃ D

Question # 4

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

motion of a projectile A
motion of a train along a circular path B
motion of swing C
electrons revolving sound the nucleus D

Question # 5

The speed of sound in a medium depends on

The elastic property but not on the inertia property A
The inertia property but not on the elastic property B
The elastic property as well as the inertia property C
Neither the elastic property nor the inertia property D

Question # 6

The maximum displacement of a body on either side of its equilibrium position is called

frequency A
amplitude B
displacement C
time period D

Question # 7

In the resonance condition, the amplitude of the oscillator becomes

very large A
very small B
zero C
any one of them D

Question # 8

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

Cannot be diffracted A
Cannot be polarized B
Have a lower frequency C
Are deviated when they pass through a magnetic field D

Question # 9

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?

100 ms^-1 A
200 ms^-1 B
450 ms^-1 C
900 ms^-1 D

Question # 10

If a wave can be polarized, it must be

An electromagnetic wave A
A longitudinal wave B
A progressive wave C
A transverse wave D

Question # 11

Waves transport energy

without transport energy A
with matter B
both of them C
none of them D

Question # 12

The waves which propagate through the oscillations of material particles are known as:

Mechanical waves A
Electromagnetic waves B
Any of them C
None of them D

Question # 13

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

60° A
90° B
120° C
180° D

Question # 14

The wave form of S.H.M will be

square wave A
sine wave B
rectified wave C
saw-tooth wave D

Question # 15

Through which character we can distinguish the light waves from sound waves

Interference A
Refraction B
Polarization C
Reflection D

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ECAT Pre Computer Science Chapter 8 MCQ Test With Answer for Physics chapter 8 (Waves)

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Online MCQ's Test For ECAT Physics Chapter 8 Waves Online Test

ECAT Physics Chapter 8 Waves Online Test

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

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

The velocity of sound at same temperature is maximum in

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

The speed of sound in a medium depends on

The maximum displacement of a body on either side of its equilibrium position is called

In the resonance condition, the amplitude of the oscillator becomes

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

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?

If a wave can be polarized, it must be

Waves transport energy

The waves which propagate through the oscillations of material particles are known as:

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

The wave form of S.H.M will be

Through which character we can distinguish the light waves from sound waves

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

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

Set 12

ECAT Pre Computer Physics Chapter 8 Test

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