Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Evaporation Diffusion Vaporisation Sublimation Evaporation Diffusion Vaporisation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are binaries quasars novas and supernovas asteroids binaries quasars novas and supernovas asteroids ANSWER DOWNLOAD EXAMIANS APP
Physics The refractive index of a transparent medium is maximum for Yellow light Violet light Red light Green light Yellow light Violet light Red light Green light ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 50 db to 70 db (decibel) 65 db to 75 db (decibel) 70 db to 85 db (decibel) 60 db to 80 db (decibel) 50 db to 70 db (decibel) 65 db to 75 db (decibel) 70 db to 85 db (decibel) 60 db to 80 db (decibel) 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 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. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Rads Roentgen Curie Rems Rads Roentgen Curie Rems ANSWER DOWNLOAD EXAMIANS APP
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