Advertisements
Advertisements
प्रश्न
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
Advertisements
उत्तर
The maximum displacement of the oscillating particles of the medium from their original undisturbed positions, when a wave passes through the medium, is called the amplitude of the wave.
APPEARS IN
संबंधित प्रश्न
A submarine emits a sonar pulse, which returns from an underwater cliff in 1.02 s. If the speed of sound in salt water is 1531 m/s, how far away is the cliff?
Explain how bats use ultrasound to catch a prey.
A wave is moving in air with a velocity of 340 m/s. Calculate the wavelength if its frequency is 512 vibrations/sec.
What happens to the pitch of a sound if its frequency increases ?
Draw labelled diagrams to represent sound of (a) low pitch, and (b) high pitch, of the same loudness.
Explain why, if we strike a table lightly, we hear a soft sound but if we hit the table hard, a loud sound is heard.
Name an animal which navigates and finds food by ecolocation.
A sonar station picks up a return signal after 3 seconds. How far away is the object ? (Speed of sound in water = 1440 m/s).
Explain how does SONAR work?
The depth of an ocean can be determined by ______.
