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प्रश्न
Explain how bats use ultrasound to catch a prey.
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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
Give two practical applications of reflection of sound waves.
Explain how defects in a metal block can be detected using ultrasound.
Name the three characteristics of sound.
How is an ultrasound scan for fetus (unborn baby) better than X-ray ?
Write the full name of 'SONAR'.
Fill in the blank with suitable word :
Pitch of sound depends on ....................
Fill in the blank with suitable word :
Quality 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 how, flaws (or defects) in a metal block can be detected by using ultrasound.
Explain how does SONAR work?
