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Check yourself pg 62-63. 1. Apparent sun. Real sun. Check yourself. Light bends towards the normal when moves into a more optically dense substance. Low to high  towards Fast to slow  towards (remember: FST ). n air = 1.000 n glass = 1.5. The normal is RED.

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1

Apparent sun

Real sun


Check yourself
Check yourself

Light bends towards the normal when moves into a more optically dense substance

Low to high  towards

Fast to slow  towards

(remember: FST)


nair = 1.000

nglass = 1.5

The normal is RED

The refracted ray is BLUE


6

Which substance has a higher index of refraction?

Is the refracted ray going to bend towards or away from the normal?

40°

50°

50°


9. The speed of light in a transparent gel is 2.20 x 108m/s. If the angle of incidence of a beam of light directed at the surface of the gel is 30°. what is the angle of refraction in the gel?

Givens:

v = 2.20 x 108 m/s

Incidence Angle = 30°

Looking for:

Angle of Refraction = ?

Need n


9. The speed of light in a transparent gel is 2.20 x 108m/s. If the angle of incidence of a beam of light directed at the surface of the gel is 30°. what is the angle of refraction in the gel?

Assume

Givens:

1st substance is air….

n1 = 1.00

v = 2.20 x 108 m/s

Incidence Angle = 30°

n2 = 1.36

Looking for:

Angle of Refraction = ?


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