Chapter 14 & 15 Vocab

Question 1

A material which light can pass through in straight lines.

Answer 1

Transparent

Question 2

A material which light cannot pass through because it is reflected or absorbed.

Answer 2

Opaque

Question 3

Color that reflects all light

Answer 3

White

Question 4

Color that absorbs all light

Answer 4

Black

Question 5

Red, blue, and green light produce all other color of the spectrum.

Answer 5

Additive primary colors

Question 6

Two colors added together to create white.

Answer 6

Complementary colors

Question 7

When mixed create all the colors of the spectrum.

Answer 7

Subtractive primary colors

Question 8

The angle of reflection equals the angle of incidence.

Answer 8

Law of Reflection

Question 9

Incoming light Ray

Answer 9

Incident Ray

Question 10

Outgoing light Ray

Answer 10

Reflected Ray

Question 11

Imaginary line that bisects the incident and reflected rays.

Answer 11

Normal

Question 12

Angle between the incident ray and the normal.

Answer 12

Angle of incidence

Question 13

Angle between the reflected ray and the normal.

Answer 13

Angle of reflection

Question 14

The classification of electromagnetic waves according to frequency.

Answer 14

Electromagnetic Spectrum

Question 15

An image caused by light rays that appear to meet but do not actually do so, cannot be projected on a screen.

Answer 15

Virtual image

Question 16

Surfaces that curve outward, the image will appear smaller and virtual.

Answer 16

Convex mirror

Question 17

Surfaces that curve inward, image appears larger than it actually is, forms real and virtual images.

Answer 17

Concave mirror

Question 18

The light rays actually meet, can be projected onto a screen.

Answer 18

Real image

Question 19

Image is virtual, right side up, backwards

Answer 19

Flat or plane