Advertisements
Advertisements
प्रश्न
Name an animal which navigates and finds food by ecolocation.
Advertisements
उत्तर
Bats navigate and find their food by echolocation. They produce echoes by their ultrasonic squeaks.
APPEARS IN
संबंधित प्रश्न
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 pitch of a sound if its frequency increases ?
What name is given to sound waves of frequencies higher than 20 kHz ?
Fill in the blank with suitable word :
Quality of sound depends on ........................
What is meant by the 'loudness' of sound ? On what factor does the loudness of a sound depend ?
Draw labelled diagrams to represent sound of (a) low pitch, and (b) high pitch, of the same loudness.
Explain how, bats use ultrasound to catch the prey.
Write any three applications (or uses) of ultrasound.
A sonar station picks up a return signal after 3 seconds. How far away is the object ? (Speed of sound in water = 1440 m/s).
