Physics The velocity of heat radiation in vacuum is Equal to that of light Equal to that of sound Less than that of light Greater than that of light Equal to that of light Equal to that of sound Less than that of light Greater than that of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following ray has minimum wavelength Utraviolet ray Gamma ray X-rays Cosmic ray Utraviolet ray Gamma ray X-rays Cosmic ray ANSWER DOWNLOAD EXAMIANS APP
Physics The fuse in our domestic electric circuit melts when there is a high rise in Inductance Resistance Capacitance Current Inductance Resistance Capacitance Current ANSWER DOWNLOAD EXAMIANS APP
Physics Flemings ''Left hand Rule" is associated with the effect of Electric field on magnet Electric field on current Magnetic field on magnet Magnetic Field on current Electric field on magnet Electric field on current Magnetic field on magnet Magnetic Field on current 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 Intensity of sound at a point is ____ its distance from the source. directly proportional to square of inversely proportional to square of inversely proportional to directly proportional to directly proportional to square of inversely proportional to square of inversely proportional to directly proportional to ANSWER DOWNLOAD EXAMIANS APP