Question

the velocity acquires by the electrons in a beam of cathod rays that accelerate from rest under a small potential difference V is ?​

Answer 1

Answer:

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Explanation:

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Answer 2

10th

Physics

Electricity

Potential Difference

In a cathode ray tube, if V...

PHYSICS

In a cathode ray tube, if V is the potential difference between the cathode and anode, the speed of the electrons, when they reach the anode is propotional to :

(Assume initial velocity = 0)

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ANSWER

When the electron in accelerated by the potential difference

Towards the anode then the k

2

of electrons is equal to workdone by potemtial on electrons is

2

1

mv

2

=ev

ϑ=

m

2ev

ϑ×

v