ECAT Pre Computer Science Chapter 8 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 8 Waves MCQ`s Test

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Aniq Khan 11 - Mar - 2024 01 Min 59 Sec 60/60
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Haseeb Ur Rehman raja 25 - Jun - 2024 00 Min 05 Sec 55/60
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Shayan Rajpoot 16 - Jul - 2024 01 Min 09 Sec 55/60
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Ahmed Chandio 01 - Aug - 2024 01 Min 21 Sec 55/60
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Manoush Fatima 31 - May - 2024 03 Min 05 Sec 55/60
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Abdullah Baloch 02 - Aug - 2024 05 Min 14 Sec 55/60
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Muneeb ur Rehman 30 - Jun - 2026 02 Min 00 Sec 52/60
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syed muhammad aans irfan 09 - Jan - 2025 04 Min 34 Sec 50/60
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Muhammad Hashim 01 - Jun - 2024 02 Min 11 Sec 45/60
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M.Faiq 21 - May - 2024 02 Min 22 Sec 45/60
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Zain hassan Zain 23 - May - 2024 02 Min 46 Sec 45/60
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Zaka Ullah 10 - Nov - 2024 02 Min 56 Sec 45/60
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Ahmad Khan 11 - Sep - 2024 05 Min 50 Sec 45/60
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nabi bux 17 - Aug - 2024 07 Min 48 Sec 45/60
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Uzair kk 22 - Jun - 2024 10 Min 19 Sec 45/60

ECAT Physics Chapter 8 Important MCQ's

Sr.#	Question	Answer
1	A second's pendulum is a pendulum whose time period is	A. 1 second B. 2 seconds C. 3 seconds D. 4 seconds
2	It is possible to recognize a person by hearing his voice even if he is hidden behind a solid wall. This is due to the fact that his voice	A. Has a definite pitch B. Has a definite quality C. Has a definite capacity D. Can penetrate the wall
3	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
4	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
5	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
6	When a mass 'm' is pulled slowly, the spring stretches by an amount x₀,then the average force would be	A. F= Kx₀ B. F=1/2Kx₀ C. F=2Kx₀ D. F=4Kx₀
7	Which type of wave can be set up in solids	A. longitudinal waves B. transverse waves C. both of them D. none of them
8	What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?	A. 1 MHz B. 10 Hz C. 1 GHz D. 100000 Hz
9	Laplace formula is derived from	A. Isothermal change B. Adiabatic change C. Isobaric change D. None of these
10	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

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ECAT Pre Computer Science Chapter 8 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 8 Waves

ECAT Physics Chapter 8 Waves

The resonance will be sharp, if the amplitude decreases rapidly at a frequency

Fidelity refers to

A heavily damped system has a fairly

The natural frequency of a pendulum which is vibrating freely, depends upon its

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

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

The principle of superposition states that

If two waves of length 50 cm and 51 cm produced 12 beats per second, the velocity of sound is

Velocity of sound in vacuum (in m/s) is

Transverse waves can be set up:

SI unit of frequency is

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

A weakly damped system has fairly

Which of the following is not mechanical wave?

The distance covered by the wave during one period is called its:

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Top Scorers Of ECAT Physics Chapter 8 Waves MCQ`s Test

ECAT Physics Chapter 8 Important MCQ's

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