Advertisements
Advertisements
प्रश्न
What do you understand by the ‘Echolocation system of Dolphins’?
Advertisements
उत्तर
It is similar to that of bats. It enables the dolphin to navigate among its companions and larger objects. It also enables the dolphin to detect fish, squid, and even small shrimp.
संबंधित प्रश्न
Displacement distance graph of two sound waves A and B, travelling in a medium, are as shown in the diagram below.
Study the two sound waves and compare their:
1) Amplitudes
2) Wavelengths
What is the condition necessary for an echo to be heard distinctly?
Name the waves which are used in sonar to find the depth of a sea. Give one reason for their use.
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
What are mechanical waves?
Define the term Frequency (as applied to sound waves)
Mention two properties of a wave, one property which varies and the other which remains constant when the wave passes from one medium to another.
Write short notes on reflection of sound waves from plane and curved surfaces.
