Question
Chemistry Question on Planck’s quantum theory
The value of Planck's constant is 6.63 × 10-34 Js. The speed of light is 3 x 1017 nm s-1. Which value is closest to the wavelength in nanometer of a quantum of light with frequency of 6 x 1015 s-1?
A
10
B
25
C
50
D
75
Answer
50
Explanation
Solution
The correct option is (C): 50.