Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Frequency Amplitude Wavelength Speed Frequency Amplitude Wavelength Speed ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Fact that spacecraft in the orbit has no energy Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Infra-red radiation Microwave radiation Gamma radiation Ultra-violet radiation Infra-red radiation Microwave radiation Gamma radiation Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Photosynthesis Osmosis Transpiration Diffusion Photosynthesis Osmosis Transpiration Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Moon Venus Saturn Earth Moon Venus Saturn Earth ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because 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 It is economical It is malleable It is a good conductor ANSWER DOWNLOAD EXAMIANS APP