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.
APPEARS IN
संबंधित प्रश्न
How does the pitch of a sound depend on frequency ?
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).
What type of scans are used these days to monitor the growth of developing baby in the uterus of the mother ?
What happens to the loudness of a sound if its amplitude decreases ?
Fill in the blank with suitable word :
Pitch of sound depends on ....................
Explain the term 'pitch' of a sound. On what factor does the 'pitch' of a sound depend ?
What is meant by the quality (or timbre) of sound ? On what factor does the quality (or timbre) of a sound depend ?
Write any three applications (or uses) of ultrasound.
Name an animal which navigates and finds food by ecolocation.
What is sonar ? Explain its use.
