Advertisements
Advertisements
Question
Write the full name of 'SONAR'.
Advertisements
Solution
SONAR is an acronym for SOund Navigation And Ranging.
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?
Explain how bats use ultrasound to catch a prey.
A sonar device on a submarine sends out a signal and receives an echo 5 s later. Calculate the speed of sound in water if the distance of the object from the submarine is 3625 m.
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 name is given to sound waves of frequencies higher than 20 kHz ?
What is meant by the 'loudness' of sound ? On what factor does the loudness of a sound depend ?
Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.
Fill in the blank and explain.
To discover a sunken ship or objects deep inside the sea, ______ technology is used.
