Density of the substance to the density of water
Density of the substance to the density of water at 0°C
Density of water at 4°C to the density of the substance
Density of the substance to the density of water at 4°C
Speed in a given direction is called
Speed of light is maximum in _
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