In a photoelectron experiment , the stopping potential for the photoelectrons is 2V for the incident light of wavlength 400 nm.

In a photoelectron experiment , the stopping potential for the photoelectrons is 2V for the incident light of wavlength 400 nm. If the incident light is changed to 300 nm , the cut off potential is
A. `2V`
B. greater than `(8)/(3) V`
C. `(8)/(3) V`
D. zero

In a photoelectron experiment , the stopping potential for the photoelectrons is 2V for the incident light of wavlength 400 nm. If the incident light

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