Physics The magnifying power of an astronomical telescope can be decreased by Increasing the focal length of the objective Decreasing the focal length of the eyepiece None of these Increasing the focal length of the eyepiece Increasing the focal length of the objective Decreasing the focal length of the eyepiece None of these Increasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear > 85 db None of these = 85 db < 85 db > 85 db None of these = 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Beta-emission Gamma-emission Alpha-emission Oxidation Beta-emission Gamma-emission Alpha-emission Oxidation ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? All of these Water Air Solar All of these Water Air Solar ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Scattering of the sunlight by water molecules Reflection of the sun light from water surface Interference of the sun light from water surface Refraction of the sun light Scattering of the sunlight by water molecules Reflection of the sun light from water surface Interference of the sun light from water surface Refraction of the sun light ANSWER DOWNLOAD EXAMIANS APP
Physics Blotting paper absorbs ink due to Diffusion of ink through the blotting Viscosity of ink Siphon action Capillary action phenomenon Diffusion of ink through the blotting Viscosity of ink Siphon action Capillary action phenomenon ANSWER DOWNLOAD EXAMIANS APP
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