Physics Which of the following is indicated by the colour of a star ? Weight Distance Size Temperature Weight Distance Size Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Chlorine Ozone Carbon dioxide Ammonia Chlorine Ozone Carbon dioxide Ammonia 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 speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. 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 The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that His weight may be reduced No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed His weight may be reduced No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a body around a circular path is an example of Uniform speed, uniform velocity Uniform speed, variable acceleration Uniform speed, variable velocity Uniform velocity, variable acceleration Uniform speed, uniform velocity Uniform speed, variable acceleration Uniform speed, variable velocity Uniform velocity, variable acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot See distant objects Have persistence of vision See black colour Distinguish between certain colours See distant objects Have persistence of vision See black colour Distinguish between certain colours ANSWER DOWNLOAD EXAMIANS APP