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WorksheetsRefraction/Reflection recap Starter
Total questions: 12
Worksheet time: 10mins
What is a line drawn at 90° to a surface called?
incident ray
normal line
refracted ray
tangent
In reflection and refraction angles are always measured from the (a) line
When light passes from air to water, what happens to the speed of the light?
speeds up
slows down
stays the same
What letter is used to represent refractive index?
c
n
v
θ
Which of the following is true about a wave that has been refracted?
The speed and frequency changes, but the wavelength stays the same.
The speed and wavelength changes, but the frequency stays the same.
The wavelength and frequency changes, but the speed stays the same.
The speed and frequency changes, but the amplitude stays the same.
When passing from air to glass the angle of (a) will be smaller than the angle of incidence
Light enters a glass block at an angle of 20° and the angle of refraction is measured to be 13°.
What is the refractive index of the glass, to 2 decimal places?
(a)
In which of these substances would light travel the slowest?
Vacuum
Water
Sugar Solution
Glass
Diamond
