Show your solutions Light travels in water with a speed of (3/4)-c. Calculate the refractive index of water. A.59.7 B.24.2 C.8 D.1.33

10. The index of refraction of beer is about 1.35. What is the speed of light in beer?

No SIM ? 9:37 PM © 56% Done Edit 16 She's much taller . me. B as C that A than 17 He lives in the same street . me. B like A that C as D than 18 Her eyes . a very light blue. B have A are C has 19 . help me? A Can you to C Can you B Do you can 20 You . worry about it. A not must D mustn't B don't must C must not 21 It.. again. It . all the time here in the winter. A 'sraining. 's raining C rains, 's raining B rains, rains D 'sraining, rains 22 I. she . you. A think. likes C think, is liking B am thinking, is liking D am thinking. likes 23 Who .. the window? A open C did opened B opened 24 Why.? A those men are laughing B are laughing those men C are those men laughing 25 What . ? A does she want 26 I didn't . be was at home. A to think B does she wants C she wants B think C thinking D thought 27 . a hole in my sock. A There's B There is C l's DItis 28 Il see you.. Tuesday afternoon. B on A at C in 29 What time did you arrive. the station? A at B to C- 30 We're golng .. the opera…

8. If red light also has a frequency of 4.3 x 10 Hz, what is the speed of red light? Show your work.

A ray of light, P moving in air strikes a glass slab as shown below. 01 02 Air on Refractive index=n1=1 Glass Slab Refractive index=n2=1.4 38.3 The measure of angle 01 is Select one: a. 55° b. 65° c. 60°

A ray of light strikes a polished surface at an angle of 37˚. What is thethe angle of reflection and location of the reflected ray?   A. 37.0˚ on the same side with the incident ray B. 37.0˚ on the other side of the normal line C. 53.0˚ on the same side with the incident ray D. 53.0˚ on the other side of the normal line

The change in the speed of light when it leaves one medium and enters another with a different density is known as an event  Answer : A. Reflection B. Refraction C. Transformation D.  Rarefraction