Question
Question: The number of photons of light having wavelength 100 nm which can provide 1.00 J energy is nearly...
The number of photons of light having wavelength 100 nm which can provide 1.00 J energy is nearly
A
107 photons
B
5 ×1018 photons
C
5 × 1017photons
D
5 × 107photons
Answer
5 × 1017photons
Explanation
Solution
Apply E = λnhc