Back to Ray OpticsA planar structure of length L and width W is made of two different optical media of refractive indices n
1
= 1.5 and n
2
= 1.44 as shown in figure. If L >> W, a ray entering from end AB will emerge from end CD. CD only if the total internal reflection condition is met inside the structure. For L = 9.6 m, if the incident angle \theta is varied, the maximum time taken by a ray to exit the plane CD is t \times 10
-9
s, where, t is ................
[Speed of light, c = 3 \times 10
8
m/s]
Class 12 • Physics • Chapter-9
Ray Optics
Question 388 of 426
388HardInteger TypeJEE Advanced2019
A planar structure of length L and width W is made of two different optical media of refractive indices n
1
= 1.5 and n
2
= 1.44 as shown in figure. If L >> W, a ray entering from end AB will emerge from end CD. CD only if the total internal reflection condition is met inside the structure. For L = 9.6 m, if the incident angle \theta is varied, the maximum time taken by a ray to exit the plane CD is t \times 10
-9
s, where, t is ................
[Speed of light, c = 3 \times 10
8
m/s]
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