ICSE Class 7 Physics Sound
- reflection of sound
- defin ultrasonic sound
- What do you meant by term echo?
- What do you meant by term echo?
- I didnot understand the relation between speed and V.
- Why is it mandatory for musicians to wear ear protectors during a concert?
- Write any two effect of noise?
- Why does a vibrating a simple pendulum not produce any sound??
- Sums related to sonar
