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A Student Traces the Path of a Ray of Light Through a Rectangular Glass Slab for the Different Values of Angle of Incidence. He Observes All Possible Precautions at Each Step of the Experiment. at the End of the Experiment, on Analyzing the Measurements, Which of the Following Conclusions is He Likely to Draw? - Science

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A student traces the path of a ray of light through a rectangular glass slab for the different values of angle of incidence. He observes all possible precautions at each step of the experiment. At the end of the experiment, on analyzing the measurements, which of the following conclusions is he likely to draw?

(A) ∠i = ∠e < ∠r

(B) ∠i < ∠e < ∠r

(C) ∠i > ∠e > ∠r

(D) ∠i = ∠e > ∠r

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Solution

(A) ∠ i = ∠ e < ∠ r

In refraction through a rectangular slab, the angle of incidence is equal to the angle of emergence. Also, the angle of refraction should be smaller than the angle of incidence.

Concept: Refraction of Light Through a Rectangular Glass Slab
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