Question

Part A The wavelength of light emitted from a traffic light having a frequency of 4.16x1014 Hz is O 361 500 O 240 O 72.1 O 721 Submit Request Answer Provide Feedback

Answer 1

Explanation

Using formula

$\lambda =\frac{c}{\nu }$

c= speedof light = 3 * 10%m/s

V = frequencyoflight = 4.16 * 1014 Hz

3 * 108m/s == 0.7211 * 10-6m = 416 * 10145-

m convert into nm

Inm = 10-9m

X=0.7211 * 10-6* 10nm = 721nm