Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Mercury Red oxide Silver Silver nitrate Mercury Red oxide Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is caused due to Electric discharge Electric pressure Electric leak Electric power Electric discharge Electric pressure Electric leak Electric power ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 3R/4 R/2 2R 5R/4 3R/4 R/2 2R 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Helium Ozone Oxygen Nitrogen Helium Ozone Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics At boiling point of liquids, its Atmospheric pressure increases Temperature remains constant Temperature increases Vapour pressure decreases Atmospheric pressure increases Temperature remains constant Temperature increases Vapour pressure decreases ANSWER DOWNLOAD EXAMIANS APP
Physics The term photon refers to Light ray None of these Radiation Sub atomic particle Light ray None of these Radiation Sub atomic particle ANSWER DOWNLOAD EXAMIANS APP