A laser produces light of wavelength in vacuum

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

A laser produces light of wavelength

600\,\text{nm}

in vacuum. What is the approximate wavelength of this light while it travels through liquid water (

n = 1.33

)? (a)

521\,\text{nm}

(b)

340\,\text{nm}

(c)

450\,\text{nm}

(d)

405\,\text{nm}