A) four times
B) one-fourth
C) zero
D) doubled
Correct Answer: C
Solution :
[c] \[v=\frac{3}{2}{{v}_{0}}\] |
\[v'=\frac{v}{2}=\frac{3}{4}{{v}_{0}}\] |
\[\because v'<{{v}_{0}}\] |
\[\therefore \] No photoelectric emission will take place. |
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