Physics Lightning is produced when Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the lowest frequency? Xrays Ultra violet rays Visible light Gamma rays Xrays Ultra violet rays Visible light Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 20 minutes You cannot hear the sound of explosion 2 hours 20 minutes 3.7 hours 20 minutes You cannot hear the sound of explosion 2 hours 20 minutes 3.7 hours ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Whether they are in solid, liquid or gaseous state Their masses Their temperatures Their heat contents Whether they are in solid, liquid or gaseous state Their masses Their temperatures Their heat contents ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Diffusion Capillarity Surface tension Viscosity Diffusion Capillarity Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Compact fluorescent lamp Constantan filament lamp Closed filament lamp Closed fluorescent lamp Compact fluorescent lamp Constantan filament lamp Closed filament lamp Closed fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP
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