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A student traces the path of a ray of white light through a rectangular glass slab and marks the angles of incidence (Ði), refraction (Ðr ) and emergence (Ðe) as shown.
Which angle or angles have not been marked correctly?(a) Ði only (b) Ði and Ðr (c) Ðr and Ðe (d) Ði and Ðe"
(c) Ðr and Ðe
Explanation
The angle of incidence (Ði ) and the angle of emergence (Ðe) have not been marked correctly. They will be marked as follows:
Updated on: 10-Oct-2022
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