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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
At 'resonance' the transfer of energy from deriving source to the oscillator is
There is no net transfer of energy by particle of medium in
The weight 'mg' of the bob is resolved into
When a wave is travels from one place to another, it transfers:
The velocity of sound in air not effected by changes in
A traveling wave has a shape of:
In solids, only following type/s of wave can travel:
If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:
If the time period a simple pendulum is 2 s, its frequency would be
The waves produced in a microwave oven have wavelength.
Mechanical waves on the surface of a liquid are
The resonance will be sharp, if the amplitude decreases rapidly at a frequency
A physical system under going forced vibrations is known as
When a mass 'm' is pulled slowly through a distance 'xo' , the elastic potential energy of the spring would be
Which waves are used in sonography?
The velocity of sound at same temperature is maximum in
Which one of the following could be the frequency of ultraviolet radiation?
When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:
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
The distance covered by the wave in one second is:
Longitudinal waves are also called:
The force which opposes the applied force producing the displacement in the spring is called
Resonance occurs when one of the natural frequencies of vibration of the forced or driven harmonic oscillator
When the bob of simple pendulum is at extreme position, its K.E. will be
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
Fidelity refers to
The number of vibrating body at any instant from its equilibrium position is called
If the length of second pendulum becomes four times then its time period will become
When two waves with same frequency and constant phase difference phase difference interfere
The waves which propagate out in space due to oscillation of electric and magnetic fields are known as
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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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