Physics Electric Motor converts ________ energy to mechanical energy Mechanical Sound Electrical Chemical Mechanical Sound Electrical Chemical ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to air Water to glass Glass to water Glass to air Water to air Water to glass Glass to water Glass to air ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Good absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Bad absorber and good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Chromium Nichrome Tungsten Nickel Chromium Nichrome Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Increases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Decreases with decrease of temperature Increases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Decreases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Who indirectly determined the mass of the electron by measuring the charge of the electron? Einstein Millikan Rutherford Thomson Einstein Millikan Rutherford Thomson ANSWER DOWNLOAD EXAMIANS APP
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