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JEE MAIN 2023
11-04-2023 S1
Question
A metallic surface is illuminated with radiation of wavelength $\lambda$, the stopping potential is $V_0$.. If the same surface is illuminated with radiation of wavelength $$ 2 \lambda, $$, the stopping potential becomes $\frac{V_0}{4}$ . The threshold wavelength for this metallic surface will be
Select the correct option:
A
$\frac{\lambda}{4}$
B
$4 \lambda$
C
$\frac{3}{4} \lambda$
D
$3 \lambda$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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Physics
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