Physics Least audible sound for most of the human ear is : 10.0 µ bar 0.005 µ bar 5.0 µ bar 0.0002 µ bar 10.0 µ bar 0.005 µ bar 5.0 µ bar 0.0002 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest energy? White Violet Red Blue White Violet Red Blue 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 wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photosynthesis Photoelectric effect Photoconductive effect Photovoltaic effect Photosynthesis Photoelectric effect Photoconductive effect Photovoltaic effect ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Atomic emission Electron absorption Atomic absorption Electron emission Atomic emission Electron absorption Atomic absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Which elements are malleable and good conductors of electricity? Iodine and xenon Iodine and silver Tin and xenon Tin and silver Iodine and xenon Iodine and silver Tin and xenon Tin and silver ANSWER DOWNLOAD EXAMIANS APP
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