Refraction of light 1

When a light wave enters a new medium and is

refracted, there must be a change in the light wave’s

_________.

• color

• frequency

• speed

• period

Which quantity is equivalent to the product of the

absolute index of refraction of water and the speed of

light in water?

• wavelength of light in a vacuum

• frequency of light in water

• sine of the angle of incidence

• speed of light in a vacuum

The speed of light in a piece of plastic is

2.00 × 10⁸ 𝑚/𝑠. What is the absolute index of

refraction of this plastic?

• 0.67

• 1.00

• 1.33

• 1.50

ray of red light from a laser passes into a semicircular

glass block.

What's shown at M?

• Dispersion

• Rarefaction

• Reflection

• Refraction

If the index of refraction of a certain material is

𝑛 = 2, the speed of light in this material is ________. consider the speed of light in vacuum to be 3 x 10⁸ m/s

• 6.7 × 10⁷ 𝑚/𝑠

• 1.5 × 10⁸ 𝑚/𝑠

• 3.0 × 10⁸ 𝑚/𝑠

• 6.0 × 10⁸ 𝑚/𝑠