Physics A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will Increase First decrease and then increase Decrease Remains the same Increase First decrease and then increase Decrease Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics The sparkling of a diamond is due to Polarisation of light Total internal reflection of light Refraction of light Interference of light Polarisation of light Total internal reflection of light Refraction of light Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid evaporates The liquid cools No change The liquid boils The liquid evaporates The liquid cools No change The liquid boils ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
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