Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics A system exhibiting S.H.M. must possess Elasticity, inertia and an external force Elasticity only Elasticity as well as inertia Inertia only Elasticity, inertia and an external force Elasticity only Elasticity as well as inertia Inertia only ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Combustion reactions Chemical reactions Fusion reactions Fission reactions Combustion reactions Chemical reactions Fusion reactions Fission reactions ANSWER DOWNLOAD EXAMIANS APP
Physics The quality or tone of a musical sound produced by a stringed instrument depends on Frequency of vibration Length of the strings in the instrument Wave form of the sound Amplitude of vibration Frequency of vibration Length of the strings in the instrument Wave form of the sound Amplitude of vibration ANSWER DOWNLOAD EXAMIANS APP
Physics A pilot has to release the bomb to hit a target Right above the target None of these Beyond the target Before the target Right above the target None of these Beyond the target Before the target ANSWER DOWNLOAD EXAMIANS APP
Physics Speed regulation of synchronous motor is Zero 0.005 0.25 0.01 Zero 0.005 0.25 0.01 ANSWER DOWNLOAD EXAMIANS APP