Physics · May / June 2022 · Paper 21 · Question 4
5054
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Two parallel rays of light, one red and one blue, enter a glass prism. Fig. 4.1 shows both rays of light before they enter the prism. The blue ray is also shown incident on a different side of the prism after passing through the prism. red light blue light glass c Fig. 4.1 (not to scale) The ray of blue light strikes the left side of the prism at an angle equal to its critical angle c.
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4(a)(i)[1]
4(a)(ii)[1]
4(a)(iii)[2]
4(b)(i)[2]
4(b)(ii)[2]
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