Physics
A boy fires a gun and another boy at a distance of 1020 m hears the sound of firing the gun 3 s after seeing its smoke. Find the speed of sound.
Related Questions
Describe an experiment to estimate the speed of sound in air.
List the measures that you will take when designing a sound-proof room.
A boy on a hill A fires a gun. Another boy on hill B hears the sound after 4 s. If the speed of sound is 330 m s-1, find the distance between the two hills.
Read the clues across and clues downwards and fill up the blank squares.
Across :
- Sound travels in air in the form of …………… waves.
- Hertz is a unit of …………… .
- The sound heard after the reflection.
- Higher the ……………, shriller the sound.
Down :
- Bat can produce …………… waves.
- Sound is produced when a body creates …………… .