A beam of light (f = 5 × 10¹⁴ Hz) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass? A) 7.5 × 10¹⁴ Hz B) 3.33 × 10¹⁴ Hz C) 5 × 10¹³ Hz D) 5 × 10¹⁴ Hz E) 7.5 × 10¹³ Hz

Question

Quizplus · Accepted Answer

The frequency of light does not change when it passes from one medium to another; only its speed and wavelength change. Therefore, the frequency remains 5 × 10^14 Hz.

A Beam of Light (F = 5 × 1014 Hz)

A Beam of Light (F = 5 × 10¹⁴ Hz)