Intensity of sound at a point is ____ its distance from the source.
A). directly proportional to
B). inversely proportional to
C). directly proportional to square of
D). inversely proportional to square of
inversely proportional to square of
Intensity of sound at a point is inversely proportional to square of its distance from the source.
1. While ascending a hill, the driver of the vehicle keeps the gear ratio
2. The fundamental scientific principle in the operation of battery is
3. Which elements are malleable and good conductors of electricity?
4. Which combination of colour is the most convenient during day and night time
6. The impurity atoms with which silicon should be doped to make p-type semiconductors are
7. The device which converts sound energy into electrical energy is called
8. Which of the following is most elastic?