You Shine Light of Frequency 4 $\times$ 10¹⁴ Hz Through a Glass Plate Whose Index of Refraction

Multiple Choice

You shine light of frequency 4.00 $\times$ 10¹⁴ Hz through a glass plate whose index of refraction for this light is 1.50.The wavelength of this light in the glass is approximately

A) 500 nm
B) 110 nm
C) 800 nm
D) 425 nm
E) 380 nm