A)
B)
C)
D)
Correct Answer: B
Solution :
K.E. of electron is \[\frac{1}{2}m{{\upsilon }^{2}}=eV\]or \[{{\upsilon }^{2}}\propto V\] Comparing it with the equation of parabola \[{{y}^{2}}=4\,ax.\]We obtain a plot of v versus V which satisfy the equation of parabola only. Hence option (b) is correct.
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