Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth ANSWER DOWNLOAD EXAMIANS APP
Physics For a freely falling body, the sum of kinetic energy and potential energy is always Zero Same Variable Unity Zero Same Variable Unity ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Microphone Loudspeaker Solar cell Gramophone Microphone Loudspeaker Solar cell Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics Buoyancy depends on The shaped of the body The depth to which the body is immersed The mass of the body The mass of the liquid displaced The shaped of the body The depth to which the body is immersed The mass of the body The mass of the liquid displaced 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 allow the aroma of the food to come out through the holes To allow the microwaves to get into the food 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 aroma of the food to come out through the holes To allow the microwaves to get into the food 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The audio signals of TV are Velocity modulated Unmodulated Frequency modulated Amplitude modulated Velocity modulated Unmodulated Frequency modulated Amplitude modulated ANSWER DOWNLOAD EXAMIANS APP
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