Physics Which one of the following instruments is used to study dispersion of light ? Spectrometer Telescope Photometer Microscope Spectrometer Telescope Photometer Microscope ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because Their distance from the earth does not change with time They are very far away from the earth resulting in decrease in intensity of light They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. Their distance from the earth does not change with time They are very far away from the earth resulting in decrease in intensity of light They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Diffraction Reflection Total internal reflection Refraction Diffraction Reflection Total internal reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Radioactivity Nuclear fission Nuclear fusion Artificial radioactivity Radioactivity Nuclear fission Nuclear fusion Artificial radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of ozone layer, which rays will enter into atmosphere? Visible Infrared Ultraviolet X-rays Visible Infrared Ultraviolet X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics In a filament type light bulb most of the electric power consumed appears as Visible light Infra-red rays Fluorescent light Ultra-violet rays Visible light Infra-red rays Fluorescent light Ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
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