Advertisements
Advertisements
Question
Advertisements
Solution
Applications of supersonics:
1. Jet aircrafts
2. Rockets
APPEARS IN
RELATED QUESTIONS
Explain the terms 'compressions' and 'rarefactions' of a wave. What type of waves consist of compressions and rarefactions.
What do you mean by the term frequency of a wave? State its S.I. unit.
Describe a simple experiment to determine the speed of sound in air. What approximation is made in the method described by you?
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.
A continuous disturbance is created on the surface of water in a ripple tank with a small piece of cork floating on it. Describe the motion of the cork. What does the motion of the cork tell about the disturbance?
Draw a displacement-time graph for water wave.
What is the effect of temperature and pressure on the speed of sound in a gas?
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey.
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
