Vacuum
Solids
Liquids
Gases
Speed of sound in air is unaffected by change in
Speed of sound is maximum in which among the following?
Speed of sound is the greatest in :
Sphygmomanometer measures
Sprayer functions on
Stars appear twinkling as of......... of light.
Stars appear twinkling because of ......... of light.
Stars twinkle because
Stars which appear single to the naked eye but are double when seen through a telescope are
Stationary wave is formed by