Choose the Correct Alternative and Rewrite the Following Sentence. a Ray of Light Strikes the Glass Slab at an Angle of 50°. What is the Angle of Incidence? - Science and Technology 1
Choose the correct alternative and rewrite the following sentence.
A ray of light strikes the glass slab at an angle of 50°. What is the angle of incidence?
The ray of light strikes at an angle of 50 with the horizontal. The angle of incidence is with respect to the normal, so the angle of incidence is 90° − 50° = 40°.
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