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JEE-MAIN 2020
03-09-2020 S2
Question
Two sources of light emit X-rays of wavelength 1 nm and visible light of wavelength 500 nm, respectively. Both the sources emit light of the same power 200 W. The ratio of the number density of photons of X-rays to the number density of photons of the visible light of the given wavelengths is
Select the correct option:
A
$\frac{1}{250}$
B
$\frac{1}{500}$
C
500
D
250
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Physics
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