Advertisements
Advertisements
Question
Explain how, bats use ultrasound to catch the prey.
Advertisements
Solution
Bats emit ultrasonic squeaks while flying and listen to the echoes produced by the reflection of their squeaks from their prey. From the time taken by the echo to be heard, bats can judge the distance of the prey in their path and catch them.
APPEARS IN
RELATED QUESTIONS
A submarine emits a sonar pulse, which returns from an underwater cliff in 1.02 s. If the speed of sound in salt water is 1531 m/s, how far away is the cliff?
How is ultrasound used for cleaning?
Name the characteristic which helps us distinguish between a man's voice and a woman's voice, even without seeing them.
How does the pitch of a sound depend on frequency ?
What type of scans are used these days to monitor the growth of developing baby in the uterus of the mother ?
What is the name of the device which is used to find the depth of sea (or ocean) by using ultrasonic sound waves ?
Define the following terms : (a) Echolocation (b) Echocardiography, and (c) Ultrasonography.
Which of the two produces ultrasonic waves : porpoise or whale ?
What is sonar ? Explain its use.
Explain how does SONAR work?
