Optics Quiz Review

Vision Problems

100

Which condition is also called nearsightendess?

Myopia

200

Which condition causes the eye to focus images behind the retina?

Hyperopia

300

Which vision problem is caused by an irregular (non-spherical) shaped cornea or lens?

Astigmatism

400

Which condition requires a concave lens to correct it?

Myopia

500

Which condition requires a cylindrical lens prescription?

Astigmatism

Snell's Law

100

What is the index of refraction of air?

n = 1.00 (It's okay if you just wrote '1')

200

A beam of light traveling through air hits a transparent crystal at 60^o and bends to 35^o. What is the index of refraction of the crystal?

n = 1.51 (I will take answers within 0.01 of this value)

300

Light travels through air at an angle of incidence of 30^o and enters water (n = 1.33). What is the angle of refraction?

22^o

400

Light passes from glass (n = 1.50) into air at an angle of incidence of 40^o. What is the angle of refraction?

74.6^o (I will take answers within +/- 0.1)

500

If light enters a mystery material from air at 35^o and bends to 15^o, what is the index of refraction of the mystery material?

n = 2.22 (I will take answers within +/- 0.01)

Thin Lens 1

100

Is a diverging lens concave or convex?

Convex

200

True or False: When d_i is negative, the image type is virtual.

True

300

If an object is 20 cm from a converging lens and the image forms 20 cm on the other side, what is the focal length?

10 cm

400

An object is 10 cm from a diverging lens with a focal length of -15 cm. Find the image distance.

-6 cm

500

You get a virtual image 4 cm from a diverging lens. If the focal length is -10 cm, what is the object distance?

6.67 cm (I will take answers with +/- 0.01)

Thin Lens 2

100

Can the distance of the object ever be negative?

NO!!!

200

True or False: The focal length of a diverging lens will always be positive.

False

300

An object is 6 cm tall and placed 20 cm from a lens. The image forms 10 cm on the opposite side. What is the image height?

-3 cm

400

Consider a converging lens with a focal length of 15 cm. An object is placed 15 cm away from the lens. What is the distance of the image?

No image is formed

500

An object is 4 cm tall and placed 12 cm from a converging lens with a focal length of 6 cm. What is the height of the image?

-4 cm

Random Trivia

100

Which meme features a goofy character with a spinning toilet head and has taken over Gen Alpha YouTube (and social media content in general)? (You must spell it correctly)

Skibidi Toilet

200

Which 2016 Drake song, featuring Wizkid and Kyla, became a summer hit with its catchy beat and tropical vibe?

One Dance

300

Which Harry Potter film came out in 2007? (Hint: It was the 5th one)

Order of the Phoenix

400

This popular video game, one of the predecessors to "The Elder Scrolls V: Skyrim", was initially released in 2006 and was remastered this year. 

The Elder Scrolls IV: Oblivion (I will also take just 'Oblivion').

500

What is the Rizzler's real name?

Christian Joseph