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A ray of light originates from inside a glass slab and is incident on its inner surface at an angle $\theta$ as shown,
In this experiment the location $x$ of the spot where the ray hits the screen is recorded. Which of the following correctly shows the plot of variation of $x$ with the angle $\theta ?$
Options:
In this experiment the location $x$ of the spot where the ray hits the screen is recorded. Which of the following correctly shows the plot of variation of $x$ with the angle $\theta ?$
Solution:
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The correct answer is:
$\mathrm{A}$
This is case of Total Internal Reflector $(90-\theta)$ is incident angle. As $\theta$ increases thus incident angle decreaes. Initially Ray will be Reflected at $\theta_{\mathrm{C}}$ angle will be TIR after words Refraction takes place
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