Physics Electric Motor converts ________ energy to mechanical energy Mechanical Sound Electrical Chemical Mechanical Sound Electrical Chemical ANSWER DOWNLOAD EXAMIANS APP
Physics The hair of shaving brush clings together when removed from water due to Friction Viscosity Elasticity Surface tension Friction Viscosity Elasticity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch? To prevent the steam pressure from bursting open the pouch To allow the heat to get into the food through the hole To allow the microwaves to get into the food through the holes To allow the aroma of the food to come out through the holes To prevent the steam pressure from bursting open the pouch To allow the heat to get into the food through the hole To allow the microwaves to get into the food through the holes To allow the aroma of the food to come out through the holes ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Red oxide Mercury Silver Silver nitrate Red oxide Mercury Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ X–rays Visible light Ultraviolet rays Infrared rays X–rays Visible light Ultraviolet rays Infrared rays ANSWER DOWNLOAD EXAMIANS APP
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