Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current increases with voltage Photo current is constant Photo current decreases with voltage Photo electric emission is not possible Photo current increases with voltage Photo current is constant Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Heat transfer by conduction occurs when molecules Collide Combine None of these Heated Collide Combine None of these Heated ANSWER DOWNLOAD EXAMIANS APP
Physics Thermal expansion of materials arises from Asymmetry of potential energy curve Thermal vibrations Weak bonds Strong bonds Asymmetry of potential energy curve Thermal vibrations Weak bonds Strong bonds ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest energy? Violet Red Blue White Violet Red Blue White ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is lighter than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is lighter than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is used to measure Wind speed and time Pressure gradient Wind direction Wind velocity Wind speed and time Pressure gradient Wind direction Wind velocity ANSWER DOWNLOAD EXAMIANS APP
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