Which equation correctly expresses the quantitative relationship between the indices…

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

Which equation correctly expresses the quantitative relationship between the indices of refraction

n_{1}

and

n_{2}

and the corresponding angles

\theta_{1}

and

\theta_{2}

measured from the normal when light passes from medium 1 into medium 2? (a)

n_{1}\cos\theta_{1}=n_{2}\cos\theta_{2}

(b)

n_{1}\sin\theta_{2}=n_{2}\sin\theta_{1}

(c)

n_{1}\sin\theta_{1}=n_{2}\sin\theta_{2}

(d)

\dfrac{n_{1}}{\sin\theta_{1}}=\dfrac{n_{2}}{\sin\theta_{2}}