Physics · Oct / Nov 2020 · Paper 21 · Question 4
5054
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The question as text
The three angles of a glass prism are 45°, 45° and 90° as shown in Fig. 4.1. 45° 45° Y Z Fig. 4.1 At point Y, a ray of light of a single frequency travels in air and strikes the side of the prism at 90°. The ray passes into the glass prism.
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4(a)(i)[1]
4(a)(ii)[1]
4(b)(i)[2]
4(b)(ii)[2]
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