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The graph between the stopping potential...

The graph between the stopping potential `(V_(0)) and ((1)/(lambda)) ` is shown in the figure `phi_(1) , phi_(2) and phi_(3)` are work function , which of the following is /are correct

A

`phi_(1):phi_(2):phi_(3)=1:2:3`

B

`phi_(1):phi_(2):phi_(3)=4:2:1`

C

`tan theta` is directly proportional to `hc//e`, where `h` is Planck 's constant and `c` is the speed of light

D

ultraviolet light can be used to emit photoelectrons from metal `2` and metal `3` only.

Text Solution

Verified by Experts

The correct Answer is:
C
`W=hv`
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