The boys are communicating with each other ..

Question 1 Report

The boys are communicating with each other by stretching a string passing through a hole punched in the bottom of each of two tin cans. The physical principle employed is that sound travels

mainly through air

fainter in stretched string

faster through gases than in solids and liquids

with greater ease through a string than in air

none of the above is correct

Sound Waves

Refraction Of Light Through At Plane And Curved

Propagation Of Sound Waves

Electrostatics

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The boys are communicating with each other by stretching a string passing through a hole punched in the bottom of each of two tin cans. The physical princip...