Physics Every hot object emits ________ Infrared rays Visible light X–rays Ultraviolet rays Infrared rays Visible light X–rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Burning of coal Flow of water Burning of diesel Production of steam Burning of coal Flow of water Burning of diesel Production of steam ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are asteroids quasars binaries novas and supernovas asteroids quasars binaries novas and supernovas ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Telescope Microscope Spectrometer Photometer Telescope Microscope Spectrometer Photometer ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the lowest frequency? Gamma rays Visible light Xrays Ultra violet rays Gamma rays Visible light Xrays Ultra violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Homogeneous and transparent Made up of slabs of different refractive indices Inhomogeneous and transparent Of variable refractive index Homogeneous and transparent Made up of slabs of different refractive indices Inhomogeneous and transparent Of variable refractive index ANSWER DOWNLOAD EXAMIANS APP
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