Physics Radio waves sent out by a radio stations are reflected by Mesosphere Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m3 Kg/m2 It has no unit Kg/m Kg/m3 Kg/m2 It has no unit Kg/m ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is UV rays Gamma rays Microwave radiation Visible light UV rays Gamma rays Microwave radiation Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : All wavelengths Lower wavelengths only Higher wavelengths only Intermediate wavelengths only All wavelengths Lower wavelengths only Higher wavelengths only Intermediate wavelengths only ANSWER DOWNLOAD EXAMIANS APP
Physics An electric fuse is based on The heating effect of the current The magnetic effect of the current All of these The chemical effect of the current The heating effect of the current The magnetic effect of the current All of these The chemical effect of the current ANSWER DOWNLOAD EXAMIANS APP