Advertisements
Advertisements
Question
Advertisements
Solution
The linear distance between the two consecutive particles of a vibrating medium in the same phase is called its wavelength. It is denoted by the Greek letter lambda (λ).
APPEARS IN
RELATED QUESTIONS
Which wave property determines (a) loudness, (b) pitch?
How are the wave velocity V, frequency f and wavelength λ of a wave related? Derive the relationship.
An observer X is on an island 5500 m from a vertical cliff on the shore. A ship Y is anchored between the island and the Cliff. A blast on the ship’s siren is heard twice by X, the interval being 5s. [Velocity of sound = 330 ms−1]

(i) Find the distance of the ship from the island.
(i) Find the distance of the cliff from the ship.
How is sound produced?
What type of sound is produced by elephants and whales?
Match the following.
| Ultrasonics | Frequency below 20Hz |
| Speed of sound in air | Needs material medium |
| Infrasonics | 330ms-1 |
| Sound propagation | Frequency more than 20000 Hz |
Unwanted sounds are called ______.
Longitudinal waves are produced in solids liquids and also in gases.
Assertion: The sound of thunder is heard a little later than the flash of light.
Reason: The speed of sound is much less than the speed of light.
