THS Physics
S. Lowder
Refraction Worksheet #1
Draw a sketch for each problem. You will need your index of refraction table.
1.
A ray of light passes from air into water at an angle to the surface of the water
of 50.0. What is the angle of refraction and what is the speed of light in the
water?
2. A ray of light passes from air into crown glass at an angle of 35.0 to the
normal. Determine e angle of refraction in the glass and the speed of light in
the glass.
3. A ray of light in air is incident on the surface of a gemstone at an angle of
42.0. The angle of refraction is found to be 17.9. What are the index of
refraction and the speed of light in the gem?
4. The speed of light in chloroform is 1.99 x 108 m/s. What is the refractive
index?
THS Physics
S. Lowder
5. What is the speed of light in meters per second in flint glass?
6. A ray passes from air into the surface of a Lucite block at an angle with the
Lucite surface of 48.5. What is the angle of refraction?
7. A ray of light passes from a medium of refractive index 1.55 into a medium of
refractive index 1.75. The angle of incidence is 45.0? What is the angle of
refraction?