Investigating Refraction - Bending Light
Equipment: Ray box, power source, glass or perspex block, single-still ray slide.
Method: Collect the equipment, and set them up to produce a single beam of light.
Part A: Going from air to Glass
1. Place the glass block in the shaded area below.
2. Place your ray box at the top of the page and shine the beam so it travels along the 10° line to the centre of the protractor (this is your angle of incidence, i°).
3. Read the angle the light leaves the glass block at (this is your angle of refraction r°).
4. Continue the investigation so you can complete the table opposite.
Results:
Angle of Incidence (i°)
|
Angle of Refraction (r°)
|
10°
|
6.6°
|
20°
|
13.2°
|
30°
|
19.5°
|
40°
|
25.4°
|
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