Search any question & find its solution
Question:
Answered & Verified by Expert
A ray of light travels from air to water to glass and again from glass to air. Refractive index of water w.r.t. air is ' $\mathrm{X}$ ', glass w.r.t. water is ' $Y$ and air w.r.t. glass is ' $\mathrm{Z}$ '. Which one of the following is correct?
Options:
Solution:
1484 Upvotes
Verified Answer
The correct answer is:
$X Y Z=1$
$\begin{aligned} & X=\frac{v_a}{v_w}, Y=\frac{v_w}{v_g}, Z=\frac{v_g}{v_a} \\ & \therefore X Y Z=1\end{aligned}$
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.