Physics The refractive index of a transparent medium is maximum for Red light Green light Yellow light Violet light Red light Green light Yellow light Violet light ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is the SI unit of Pressure Weight Frequency Power Pressure Weight Frequency Power ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current is constant Photo current increases with voltage Photo electric emission is not possible Photo current decreases with voltage Photo current is constant Photo current increases with voltage Photo electric emission is not possible Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Interference of the sun light from water surface Reflection of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light Interference of the sun light from water surface Reflection of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
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