AP Physics 2 - Other Optics Principles

1

Malus' law:

$I=I_0cos^2(\theta)$

Where is the intensity of polarized light that has passed through the polarizer, is the intensity of polarized light before the polarizer, and $\theta$ is the angle between the polarized light and the polarizer. Malus law

Unpolarized light passes through a polarizer. It then passes through another at angle $25^{\circ}$ to the first. What percentage of the original intensity was the light coming out of the second polarizer?

2

Malus' law:

$I=I_0cos^2(\theta)$

Where is the intensity of polarized light that has passed through the polarizer, is the intensity of polarized light before the polarizer, and $\theta$ is the angle between the polarized light and the polarizer. Malus law

Unpolarized light passes through a polarizer. It then passes through another polarizer at angle $55^{\circ}$ to the first, and then another at angle $65^{\circ}$ to the second. What percentage of the original intensity was the light coming out of the third polarizer?

3

Malus' law:

$I=I_0cos^2(\theta)$

Where is the intensity of polarized light that has passed through the polarizer, is the intensity of polarized light before the polarizer, and $\theta$ is the angle between the polarized light and the polarizer. Malus law

Unpolarized light passes through a polarizer. It then passes through another polarizer at angle $35^{\circ}$ to the first, and then another at angle $25^{\circ}$ to the second. What percentage of the original intensity was the light coming out of the third polarizer?

4

Malus' law:

$I=I_0cos^2(\theta)$

Where is the intensity of polarized light that has passed through the polarizer, is the intensity of polarized light before the polarizer, and $\theta$ is the angle between the polarized light and the polarizer.

Unpolarized light passes through a polarizer. It then passes through another polarizer at angle $30^{\circ}$ to the first, and then another at angle $50^{\circ}$ to the second. What percentage of the original intensity was the light coming out of the third polarizer?

5

Malus' law:

$I=I_0cos^2(\theta)$

Where is the intensity of polarized light that has passed through the polarizer, is the intensity of polarized light before the polarizer, and $\theta$ is the angle between the polarized light and the polarizer.

Unpolarized light passes through a polarizer. It then passes through another polarizer at angle $5^{\circ}$ to the first, and then another at angle $45^{\circ}$ to the second. What percentage of the original intensity was the light coming out of the third polarizer?

6

The diffraction of waves refers to the

7

Malus' law:

$I=I_0cos^2(\theta)$

Where is the intensity of polarized light that has passed through the polarizer, is the intensity of polarized light before the polarizer, and $\theta$ is the angle between the polarized light and the polarizer.

Unpolarized light passes through a polarizer. It then passes through another polarizer at angle $40^{\circ}$ to the first, and then another at angle $15^{\circ}$ to the second. What percentage of the original intensity was the light coming out of the second polarizer?

8

Light rays encounter a mystery optical device, resulting in a new distribution of the light waves as shown. Assume the light travels from right to left.

Photo 2 1

What type of reflecting or refracting surface is depicted?

9

If a person with near point distance of 20cm observes a fine detailed coin with magnifying glass with an angular magnification of 5, what is the focal length?

10

You are passing a ray of light through clear alcohol to determine properties. You shine the light ray exactly to the surface of alcohol.

Suppose that the alcohol surface will completely reflect the incoming light beam like a mirror. At what angle will the angle of reflectance be to the normal of the surface of the alcohol?

Other Optics Principles

Practice Questions