MEDIUM
10th ICSE
IMPORTANT
Earn 100

What is sound ranging? Give one example.

Important Questions on Sound

EASY
10th ICSE
IMPORTANT
A ship sends ultrasonic waves in all directions. A particular wave reflects from the rock inside sea in 4.6 seconds. What is the distance of the rock from ship? Velocity of sound in water =1450 m s-1.
MEDIUM
10th ICSE
IMPORTANT
State two uses of echo.
EASY
10th ICSE
IMPORTANT
How is RADAR different from SONAR?
MEDIUM
10th ICSE
IMPORTANT
A stone is dropped into a 10 m deep well. After how many seconds of dropping the stone the sound of a splash would be heard? Given g=10 m s-1. The velocity of sound in air =340 m s-1.
EASY
10th ICSE
IMPORTANT
What do you mean by free vibrations in an elastic body?
EASY
10th ICSE
IMPORTANT
Can a rock produce free vibrations? Why?
EASY
10th ICSE
IMPORTANT
What is natural frequency of vibration?
MEDIUM
10th ICSE
IMPORTANT
Give any two examples of natural vibrations.