Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work as efficiently as on the earth Work with reduced efficiency Not work at all Work with increased efficiency Work as efficiently as on the earth Work with reduced efficiency Not work at all Work with increased efficiency ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? No change The liquid boils The liquid cools The liquid evaporates No change The liquid boils The liquid cools The liquid evaporates ANSWER DOWNLOAD EXAMIANS APP
Physics While catching a ball, a player pulls down his hands to lower the– Force Momentum Catching time Impulse Force Momentum Catching time Impulse ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Radio waves Microwaves Infrared rays Gamma rays Radio waves Microwaves Infrared rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics The increasing order of the refractive index of certain materials is (left to right) ________ Kerosene, Ice, Benzene, Rock Salt Ice, Kerosene, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Rocksalt, Benzene, Kerosene, Ice Kerosene, Ice, Benzene, Rock Salt Ice, Kerosene, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Rocksalt, Benzene, Kerosene, Ice ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Is independent of its velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Decreases with increase in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Decreases with increase in velocity. ANSWER DOWNLOAD EXAMIANS APP
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