Advertisements
Advertisements
प्रश्न
What is a longitudinal wave ?
Advertisements
उत्तर
In a longitudinal wave, the particles of air vibrate to and fro about their mean positions in the direction of travel of sound.
APPEARS IN
संबंधित प्रश्न
What is loudness of sound? What factors does it depend on?
Write true or false for a given statement.
Larger is the amplitude, feeble is the sound.
A medium is necessary for ______ of sound.
Match the pairs.
| Group ‘A’ | Group ‘B’ |
| (a) Flute | (1) Frequency less than 20 Hz |
| (b) Frequency | (2) Frequency more than 20000 Hz |
| (c) Sound level | (3) Vibrations in the air |
| (d) Ultrasonic sound | (4) Measured in Hz |
| (e) Infrasonic sound | (5) Decibel |
Select the correct option:
A longitudinal wave consists of:
200 waves pass through a point in one second. Calculate the time period of wave.
A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
With reference to the frequency, describe the movement of water on the surface
The distance between one crest and one trough of a sea wave is 4.5 m. If the waves are produced at the rate of 240/min, calculate the wave velocity.
From diagram given below calculate:
- velocity of P and Q
- frequency of P, when frequency of Q is 512 Hz.
Assume that both wave are traveling in same medium.
What do you mean by an echo?
