Define work function of metal and write its unit.
Define work function of metal and write its unit.
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An electron initially at rest, is accelerated through a potential difference of $ 200$ volt, so that it acquires a velocity $8.4 \times {10^6}m/s.$ The value of $e/m$ of electron will be
An electron initially at rest, is accelerated through a potential difference of $ 200$ volt, so that it acquires a velocity $8.4 \times {10^6}m/s.$ The value of $e/m$ of electron will be
Energy of electrons can be increased by allowing them
Energy of electrons can be increased by allowing them
Positive rays consists of
Positive rays consists of
What is the unit of energy in atomic and nuclear physics ? Define it.
What is the unit of energy in atomic and nuclear physics ? Define it.
In Thomson's experiment if the value of $q/m$ is the same for all positive ions striking the photographic plate, then the trace would be
In Thomson's experiment if the value of $q/m$ is the same for all positive ions striking the photographic plate, then the trace would be