Kelvi

Two transparent media, A and B, are separated by a plane boundary. The speed of light in those media are $1.5 \times 10^8$ m/s and $2.0 \times 10^8$ m/s, respectively. The critical angle for a ray of light for these two media is:

medium

Ray Optics and Optical Instruments

2022

physics

$\sin^{-1} (0.5000)$

$\sin^{-1} (0.750)$

$\tan^{-1} (0.500)$

Explanation

To solve this problem, we need to find the critical angle for the ray of light moving from medium A to medium B. $\\ \\$ The critical angle $\theta_c$ is given by the formula: $\\ \sin(\theta_c) = \frac{n_B}{n_A} \\$

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Two transparent media, A and B, are separated by a plane boundary. The speed of light in those media are 1.5×108 1.5 \times 10^8 1.5×108 m/s and 2.0×108 2.0 \times 10^8 2.0×108 m/s, respectively. The critical angle for a ray of light for these two media is:

Explanation

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Two transparent media, A and B, are separated by a plane boundary. The speed of light in those media are $1.5 \times 10^8$ m/s and $2.0 \times 10^8$ m/s, respectively. The critical angle for a ray of light for these two media is: