1. Name the type of waves which are used for sound ranging.
2. Why are these sound waves mentioned in (i) above are not audible to us?
3. Give one use of sound ranging.
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1. Name the type of waves which are used for sound ranging.
2. Why are these sound waves mentioned in (i) above are not audible to us?
3. Give one use of sound ranging.
1. Name the type of waves which are used for sound ranging.
2. Why are these sound waves mentioned in (i) above are not audible to us?
3. Give one use of sound ranging.
1. Ultrasonic waves.
2. Because their frequency lies beyond the limits of audibility (20Hz—20,000Hz).
3. To locate the position of the object under water and to find the depth of sea.