Physics A photo-electric cell converts Light energy to chemical energy Light energy to electrical energy Mechanical energy to electric energy Heat energy to mechanical energy Light energy to chemical energy Light energy to electrical energy Mechanical energy to electric energy Heat energy to mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Increases Double Same Decreases Increases Double Same Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics When the barometer reading dips suddenly, it is an indication of Hot weather Calm weather Dry weather Storm Hot weather Calm weather Dry weather Storm ANSWER DOWNLOAD EXAMIANS APP
Physics Middle latitude cyclones are fueled by? All of these Polar continental air masses Air high in the atmosphere Energy from falling precipitation All of these Polar continental air masses Air high in the atmosphere Energy from falling precipitation ANSWER DOWNLOAD EXAMIANS APP