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The distance covered by wave in one second is called……………….
Wave velocity
Waves are classified according to the ability to propagate and transfer energy into………………..and ……………
Mechanical and electromagnetic
Sound wave travels in air with velocity 330 m/s and has a wavelength of 0.5 m, its frequency is…………………..
660 Hz
Time taken by the oscillating body to make one complete oscillation.
Periodic time
The area in the longitudinal wave at which the medium particles are faraway from each other.
Rarefaction
The highest point in the transverse wave.
Crest
It is the motion of an oscillating body when it passes by a fixed point on its path two successive times in the same direction.
One complete oscillation
It is the maximum displacement achieved by the medium particles away from their rest positions.
Amplitude
The motion of rotary bee is considered as a periodic motion, but is not considered as an oscillatory motion
Bec. it repeats its motion but not on both sides of its rest point
We can’t hear the sound of solar explosions, while we can see the light coming out of it
Bec. sound can not travel through space but light can
As the frequency of the wave increases, its wavelength decreases.
Bec. they are inversely proportional to each ther
Astronauts use wireless devices to talk to each other on Moon.
Bec. sound is a mechanical wave that can not travel through space
We see lightning before hearing thunder.
Light is faster than sound
Sound waves are longitudinal waves.
As medium particles vibrate perpendicular to the direction of wave propagation
Water waves are transverse mechanical waves.
As medium particles vibrate along the direction of wave propagation
Wave motion is considered as periodic motion
As its motion is repeated regularly in equal period of time
