Write speed of cathode rays.
Write speed of cathode rays.
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An electron is moving with constant velocity along $x - $ axis. If a uniform electric field is applied along $y - $ axis, then its path in the $x - y$ plane will be
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Write dimensional formula and electron volt of electron volt.
Write dimensional formula and electron volt of electron volt.
When cathode rays (tube voltage $~ 10 kV$) collide with the anode of high atomic weight then we get
When cathode rays (tube voltage $~ 10 kV$) collide with the anode of high atomic weight then we get
The charge on electron was discovered by
The charge on electron was discovered by
A stick of $1 \,m$ is moving with velocity of $2.7 \times {10^8}m{s^{ - 1}}$. ........... $m$ is the apparent length of the stick $(c = 3 \times {10^8}m{s^{ - 1}})$
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