Sound need medium to travel-Simple experiment

Sound Needs A Medium

Does sound need a medium to travel? Describe an activity to show that sound is a mechanical wave and need a material medium for its propagation.

Revision|Propagation|Sound Needs A Medium To Travel|General Characteristics Of Waves|OMR

Sound needs a ___________ to travel.

In which medium sound travel fastest

(a) A sound wave travelling in a medium is represented . (i) Which letter represents the amplitude of the wave ? (ii) Which letter represents the wavelength of the wave ? (iii) What is the frequency of the source of sound if the vibrating sound makes 360 oscillations in 2 minute ? (b) Describe an experiment to show the reflection of sound. .