Physics Light travels at the fastest speed in: glass hydrogen water vacuum glass hydrogen water vacuum 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 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. The speeds of both the photons in vacuum are different Both the photons have different energies. ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is economical It is malleable It is a good conductor It has a very high melting point It is economical It is malleable It is a good conductor It has a very high melting point ANSWER DOWNLOAD EXAMIANS APP
Physics The metal whose electrical conductivity is more, is Copper Aluminium Lead Silver Copper Aluminium Lead Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Which color deviates least when passing through a Prism Green Red Yellow Blue Green Red Yellow Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Latent heat of vaporization of water decreases Latent heat of vaporization of water increases Boiling point of water increases Boiling point of water decreases Latent heat of vaporization of water decreases Latent heat of vaporization of water increases Boiling point of water increases Boiling point of water decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS