Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Carbon dioxide Nitrogen Sulphur dioxide Ozone Carbon dioxide Nitrogen Sulphur dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with increase of temperature Does not depend on temperature Decreases with decrease of temperature Increases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Decreases with decrease of temperature Increases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? They must have the same mass They must be dropped in vacuum They must have the same density They must have the same volume They must have the same mass They must be dropped in vacuum They must have the same density They must have the same volume ANSWER DOWNLOAD EXAMIANS APP
Physics When the barometer reading dips suddenly, it is an indication of Calm weather Dry weather Storm Hot weather Calm weather Dry weather Storm Hot weather ANSWER DOWNLOAD EXAMIANS APP
Physics The work done by the string of a simple pendulum during one complete oscillation is equal to Kinetic energy of the pendulum Total energy of the pendulum Potential energy of the pendulum Zero Kinetic energy of the pendulum Total energy of the pendulum Potential energy of the pendulum Zero ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Reflection Interference Polarization Diffraction Reflection Interference Polarization Diffraction ANSWER DOWNLOAD EXAMIANS APP