Physics A hydrogen balloon floats up because of The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Exosphere Ionosphere Stratosphere Mesosphere Exosphere Ionosphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity "Inductance"? Weber Farad Tesla Henry Weber Farad Tesla Henry ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource Renewable natural resource non-renewable natural resource Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource Renewable natural resource non-renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Photosynthesis Diffusion Osmosis Transpiration Photosynthesis Diffusion Osmosis Transpiration ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 30 m 3 m 0.3 m 300 m 30 m 3 m 0.3 m 300 m ANSWER DOWNLOAD EXAMIANS APP
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