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Can u answer both questions with clear writing please

4. Light from the sun strikes the flat surface of a lake at an angle of 35.0° relative to the lakes surface normal. A scuba diver deep in the lakes water wants to look at the sun. At what angle must the diver look to see the sun, relative to the lakes surface normal? 5. A beam of light travels from air into glass. Its angle of incidence is 45° and its angle of transmission is 0- 23°. How fast does the light travel while in the glass?
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Answer #1

The above questions are based on the refraction of light, hence with the use of snells law the above problems can be solved.

35 Wct Seuba dreven an onge to the, nenmeal vaence den hou lik of an angfe cpp -3 33 sn e L 333 in 1369 3G Hence, he 9cube the ounkace0e423 spe - speed Speed 1.8373 0.544 2 8 x 3x108 m/sec Speed l in 85

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