Write dimensional formula and electron volt of electron volt.
Write dimensional formula and electron volt of electron volt.
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In an electron gun, the electrons are accelerated by the potential $V$. If e is the charge and $m$ is the mass of an electron, then the maximum velocity of these electrons will be
In an electron gun, the electrons are accelerated by the potential $V$. If e is the charge and $m$ is the mass of an electron, then the maximum velocity of these electrons will be
Energy of electrons can be increased by allowing them
Energy of electrons can be increased by allowing them
Who produced electromagnetic waves for the first time ?
Who produced electromagnetic waves for the first time ?
Cathode rays consist of
Cathode rays consist of
A metal plate gets heated, when cathode rays strike against, it due to
A metal plate gets heated, when cathode rays strike against, it due to