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प्रश्न
How do bats locate their prey during a flight?
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उत्तर
Bats produce ultra sound which returns after striking an obstacle in their way. By hearing the reflected round, bats can judge the distance and direction of obstacle/prey in their way and hence bats can catch their prey during flight.
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संबंधित प्रश्न
A microphone is connected to the Y-input of a C.R.O Three different sounds are made in turn in front of the microphone. Their traces (a), (b) and (c) produces on the screen are shown in following figure.
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| (a) | (b) | (c) |
- Which trace is due to the loudest sound? Give reason for your answer.
- Which trace is due for the sound with the lowest pitch? Explain your answer.
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Complete the following sentence:
Bats can produce and hear ___________ sound.
Name the sound of the frequency given below:
10 Hz
Explain how do bats locate the obstacles and prey in their way.
What are ultrasonic? State and explain two applications of ultrasounds.
What is echocardiography?
What are hearing aids?
Describe a simple method to find the depth of a submerged ship.
Bats produce ______ sound during screaming.
