Advertisements
Advertisements
प्रश्न
Explain how bats use ultrasound to catch a prey.
Advertisements
उत्तर
Bats produce high-pitched ultrasonic squeaks. These high-pitched squeaks are reflected by objects such as preys and returned to the bat’s ear. This allows a bat to know the distance of his prey.
संबंधित प्रश्न
How is ultrasound used for cleaning?
A wave is moving in air with a velocity of 340 m/s. Calculate the wavelength if its frequency is 512 vibrations/sec.
Define the 'frequency' and 'time-period' of a wave. What is the relation between the two?
Name the three characteristics of sound.
Name the characteristic of sound which can distinguish between the 'notes' (musical sounds) played on a flute and a sitar (both the notes having the same pitch and loudness).
Explain the term 'pitch' of a sound. On what factor does the 'pitch' of a sound depend ?
Explain how, bats use ultrasound to catch the prey.
Explain how, flaws (or defects) in a metal block can be detected by using ultrasound.
Name an animal which navigates and finds food by ecolocation.
Explain how does SONAR work?
