[单选题]
Light has a wavelength of )auqiqaa- 2yv2p w82i600 nm ingi8r *d y-rvy; d((xyx a vacuum. It passes into glass, which has an index of xyr ;xyv 8g(d(yi- rd*refraction of 1.50. What is the wavelength of the light in the glass?
A. $600 \; nm$
B. $500 \; nm$
C. $400 \; nm$
D. $300 \; nm$