Physics The sharpness of a television image is termed as its Colour Resolution Graphics Clarity Colour Resolution Graphics Clarity ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Decreases Increases Depends upon the metal Unchanged Decreases Increases Depends upon the metal Unchanged ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Ultraviolet Radiowave Millimeter wave Infrared Ultraviolet Radiowave Millimeter wave Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Electrical energy into mechanical energy Electrical energy into magnetic energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Magnetic energy into mechanical energy Mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 600 units 6 units 60 units 0.6 units 600 units 6 units 60 units 0.6 units ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Produce heat and radiate it toward earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Produce heat and radiate it toward earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth ANSWER DOWNLOAD EXAMIANS APP
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