Physics The substance which conducts current in the solid state is Diamond Graphite Iodine Sodium chloride Diamond Graphite Iodine Sodium chloride 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? The speeds of both the photons in vacuum are different Both the photons have different energies. 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. The speeds of both the photons in vacuum are different Both the photons have different energies. 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 What device converts light energy to electrical energy? Heliostats Photodiode Photovoltaic cell Thermocouple Heliostats Photodiode Photovoltaic cell Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Johnson Effect Photoelectric Effect Piezo - electric Effect Edison Effect Johnson Effect Photoelectric Effect Piezo - electric Effect Edison Effect ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Magnetic energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Electrical energy into mechanical energy Magnetic energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by Combustion reaction Fission reaction None Fusion reaction Combustion reaction Fission reaction None Fusion reaction ANSWER DOWNLOAD EXAMIANS APP