Advertisements
Advertisements
प्रश्न
Name an animal which navigates and finds food by ecolocation.
Advertisements
उत्तर
Bats navigate and find their food by echolocation. They produce echoes by their ultrasonic squeaks.
APPEARS IN
संबंधित प्रश्न
Give two practical applications of reflection of sound waves.
Explain how defects in a metal block can be detected using ultrasound.
A wave is moving in air with a velocity of 340 m/s. Calculate the wavelength if its frequency is 512 vibrations/sec.
Write the full name of 'SONAR'.
Fill in the blank with suitable word :
Loudness of sound depends on .....................
What is meant by the quality (or timbre) of sound ? On what factor does the quality (or timbre) of a sound depend ?
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.
Define the following terms : (a) Echolocation (b) Echocardiography, and (c) Ultrasonography.
Explain how does SONAR work?
Expand the abbreviation of the term SONAR.
