Chapter 8.2

Question 1

What is the image that appears to be behind the mirror?

Answer 1

Virtual image

Question 2

What type of mirror has the reflecting side on the outside of the spherical surface?

Answer 2

Convex mirror

Question 3

What type of lens curves outward and causes rays of light passing through it to bend inward and converge on a point?

Answer 3

Convex lens

Question 4

What type of lens curves inward and causes rays of light to bend outward?

Answer 4

Concave lens

Question 5

What occurs when light rays from a distant object are refracted by heated air so that the object appears to be nearby?

Answer 5

Mirage

Question 6

What is the scientific term for the twinkling of stars that is also caused by refraction of light?

Answer 6

Scintillation

Question 7

What is the process in which colors that depend on the viewing angle are produced by constructive interference?

Answer 7

Iridescence

Question 8

What is the spreading of a wave as it passes by an obstacle or through a narrow gap?

Answer 8

Diffraction

Question 9

What results from the constructive interference of light waves coming from different parts of the slit?

Answer 9

Antinodes

Question 10

What is the tool used in the lab because diffraction produces a purer spectrum than refraction by a glass prism?

Answer 10

Diffraction grating

Question 11

What is any scientific technique that analyzes a substance or phenomenon by observing a light spectrum?

Answer 11

Spectroscopy

Question 12

What is a beam of light containing waves that are all aligned in the same direction called?

Answer 12

Polarized