Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? 12.33 diopters 4.33 diopters -12.33 diopters -4.33 diopters 12.33 diopters 4.33 diopters -12.33 diopters -4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Polarization Reflection Interference Diffraction Polarization Reflection Interference Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Interference Polarisation Reflection Diffraction Interference Polarisation Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Plano-concave Concave None of these Convex Plano-concave Concave None of these Convex ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal volume Equal density Equal weight Equal mass Equal volume Equal density Equal weight Equal mass ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: non-renewable natural resource Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource Renewable natural resource non-renewable natural resource Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource Renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
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