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ECAT Pre General Science Physics Chapter 8 Waves Online Test
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 8 Waves Online Test
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Question # 1
A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:
Question # 2
Ultra-violet rays differ from X-rays in that they
Question # 3
The waves which propagate by the collision of material particles are known as
Question # 4
When two progressive waves of nearly same frequencies superimpose and give rise to beats, then
Question # 5
Si units of time period is
Question # 6
Velocity of sound in a diatomic as is 300 m/sec. what is its rms velocity?
Question # 7
At 'resonance' the transfer of energy from deriving source to the oscillator is
Question # 8
The damping depends upon the
Question # 9
Which one is not produced by sound waves in air?
Question # 10
The restoring force always directed towards the
Question # 11
Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:
Question # 12
A physical system under going forced vibrations is known as
Question # 13
It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be
Question # 14
The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called
Question # 15
A second's pendulum is a pendulum whose time period is
Question # 16
What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?
Question # 17
A wave, which transfer energy by moving away from the source of disturbance is called a
Question # 18
If the mass of the simple pendulum becomes double, its time period
Question # 19
When a mass 'm' is pulled slowly, the spring stretches by an amount x0,then the average force would be
Question # 20
SI unit of frequency is
Question # 21
Through which character we can distinguish the light waves from sound waves
Question # 22
Smaller the damping, greater will be the
Question # 23
When a mass 'm' is pulled slowly, the spring stretches by an amount xo, then the work done will be
Question # 24
A simple pendulum consists of a
Question # 25
Two sources of sound are said to be coherent if
Question # 26
Waves transport energy
Question # 27
In the formula for finding the speed of waves in the spring, unit of m in SIn units is:
Question # 28
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 # 29
In stationary waves
Question # 30
Which one of the following could be the frequency of ultraviolet radiation?
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Biology Chapter 1 - Answers Mode
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.
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