Chapters 14-21

Question 1

The spreading out of light to fill the space shielded by a barrier is called…..

Answer 1

Diffraction

Pg. 247

Question 2

When the numerical value of the lateral magnification is positive, the image formed is …..

Answer 2

upright and virtual

Pg. 289

Question 3

The secondary axis of a mirror must pass through the …… of the mirror.

Answer 3

center of curvature

Pg. 282

Question 4

The most important converging lens is the ….. lens.

Answer 4

double convex

Pg. 300

Question 5

A light ray passing from a medium of high optical density to a medium of low optical density will be …..

Answer 5

refracted away from the normal

Pg. 293

Question 6

A mirror with its reflecting side on the inside of a spherical surface is said to be a ….. mirror.

Answer 6

concave

Pg. 282

Question 7

The ratio of the image’s height to the object’s height is called the ……

Answer 7

lateral magnification

Pg. 289

Question 8

The line joining the vertex and the center of curvature of a spherical mirror is called the ……

Answer 8

principal axis

Pg. 282

Question 9

An image formed by light touching or passing through each point on the image is said to be a(n) ….. image.

Answer 9

real

Pg. 281

Question 10

In ….. optics, light is treated as long slender rays which travel along a linear path.

Answer 10

geometric

Pg. 277

Question 11

Who first demonstrated that light exhibits the property of interference?

Answer 11

Young

Pg. 268

Question 12

The number of waves that pass a given point per unit time is called the ….. of a wave train.

Answer 12

frequency

Pg. 239

Question 13

The primary colors of light include all the following except …..?

Answer 13

The primary colors of light are red, green, and blue.

Pg. 273

Question 14

Which method of heat transfer does not require a medium to travel through?

Answer 14

radiation

Pg. 220

Question 15

The heat required to raise the temperature of a body by one degree is called ……

Answer 15

heat capacity

Pg. 214

Question 16

Completion

A …… mirror reflects all light perfectly through its focal point.

Answer 16

concave

Pg. 283

Question 17

A ….. image is always formed by a convex mirror.

Answer 17

virtual and upright

Pg. 286

Question 18

The darkest region of a shadow is called the …..

Answer 18

umbra

Pg. 313

Question 19

The color of light which is most readily scattered is …..

Answer 19

blue

Pg. 324

Question 20

When light bends at the boundary between two media with different optical densities, the light ray has undergone …..?

Answer 20

refraction

Pg. 293

Question 21

Another name for the first law of refraction is the ….. law.

Answer 21

Snell’s

Pg. 295

Question 22

When white light passes through a prism, the color of light which is refracted the most is …..?

Answer 22

violet

Pg. 319

Question 23

The portion of the electromagnetic spectrum to which our eyes responds is called ……?

Answer 23

visible light

Pg. 270

Question 24

The process of measuring temperature is called ……?

Answer 24

thermometry

Pg. 206

Question 25

True/False No light actually touches or passes through any point on a REAL image.

Answer 25

False - virtual image correct answer | Pg. 281

Question 26

For any spherical mirror, the focal length is equal to TWICE the radius of curvature.

Answer 26

half | Pg. 283

Question 27

The SECOND law of reflection states that the incident ray, the normal to the surface, and the reflected ray lie in the same plane.

Answer 27

True | Pg. 279

Question 28

The type of reflection which is caused by unevenness in the reflecting surface is SPECULAR reflection.

Answer 28

diffuse | Pg. 278

Question 29

Total internal reflection occurs when the angle of incidence is GREATER than the critical angle.

Answer 29

True | Pg. 298

Question 30

The intensity of a sound related to the distance between the source and the listener is a(n) INVERSE square relationship.

Answer 30

True | Pg. 260

Question 31

A Ray coming to a double convex lens along a path parceled to the principal axis is redirected through the PRINCIPAL FOCAL POINT.

Answer 31

True | Pg. 301

Question 32

A(n) MONOCHROMATIC lens is used to correct chromatic aberration.

Answer 32

achromatic | Pg. 320

Question 33

Heat flows spontaneously only from HOT objects to COLD objects.

Answer 33

True | Pg. 206

Question 34

A surface that is optically flat has no irregularities with a height or depth exceeding a HALF wavelength of light.

Answer 34

quarter | Pg. 311

Question 35

As the diameter of an aperture is increased, light passing through the aperture to a screen illuminates LESS area on the screen.

Answer 35

True | Pg. 313

Question 36

The KINETIC energy of a system may be defined as the total molecular energy content of a physical system.

Answer 36

Internal | Pg. 223

Question 37

Equations The mirror equation

Answer 37

1/f= 1/object distance + 1/image distance pg. 288

Question 38

Calculates the refractive index of a given medium

Answer 38

(c) speed of light in a vacuum (3.00•10^8 m/s) n(subscript m) = ———————————————————— v(subscript m) speed of light in the medium n(subscript m) means the medium's refractive index Pg. 294

Question 39

Matching A ray strikes a particle of a medium and bounces off in multiple directions.

Answer 39

scattered | Pg. 277

Question 40

After coming to a boundary between media, a ray returns to the medium in which it was previously traveling.

Answer 40

reflected | Pg. 277

Question 41

A ray crosses a boundary between media and travels through a new media.

Answer 41

transmitted | Pg. 277

Question 42

The energy of a ray is transformed into heat energy.

Answer 42

absorbed | Pg. 277