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Physics Tests > Chapters 14-21 > Flashcards

Chapters 14-21 Flashcards

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1
Q

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

A

Diffraction

Pg. 247

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2
Q

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

A

upright and virtual

Pg. 289

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3
Q

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

A

center of curvature

Pg. 282

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4
Q

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

A

double convex

Pg. 300

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5
Q

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

A

refracted away from the normal

Pg. 293

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6
Q

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

A

concave

Pg. 282

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7
Q

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

A

lateral magnification

Pg. 289

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8
Q

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

A

principal axis

Pg. 282

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9
Q

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

A

real

Pg. 281

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10
Q

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

A

geometric

Pg. 277

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11
Q

Who first demonstrated that light exhibits the property of interference?

A

Young

Pg. 268

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12
Q

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

A

frequency

Pg. 239

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13
Q

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

A

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

Pg. 273

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14
Q

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

A

radiation

Pg. 220

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15
Q

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

A

heat capacity

Pg. 214

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16
Q

Completion

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

A

concave

Pg. 283

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17
Q

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

A

virtual and upright

Pg. 286

18
Q

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

A

umbra

Pg. 313

19
Q

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

A

blue

Pg. 324

20
Q

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

A

refraction

Pg. 293

21
Q

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

A

Snell’s

Pg. 295

22
Q

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

A

violet

Pg. 319

23
Q

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

A

visible light

Pg. 270

24
Q

The process of measuring temperature is called ……?

A

thermometry

Pg. 206

25
Q

True/False

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

A

False - virtual image correct answer

Pg. 281

26
Q

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

A

half

Pg. 283

27
Q

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

A

True

Pg. 279

28
Q

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

A

diffuse

Pg. 278

29
Q

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

A

True

Pg. 298

30
Q

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

A

True

Pg. 260

31
Q

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

A

True

Pg. 301

32
Q

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

A

achromatic

Pg. 320

33
Q

Heat flows spontaneously only from HOT objects to COLD objects.

A

True

Pg. 206

34
Q

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

A

quarter

Pg. 311

35
Q

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

A

True

Pg. 313

36
Q

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

A

Internal

Pg. 223

37
Q

Equations

The mirror equation

A

1/f= 1/object distance + 1/image distance

pg. 288

38
Q

Calculates the refractive index of a given medium

A

(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

39
Q

Matching

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

A

scattered

Pg. 277

40
Q

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

A

reflected

Pg. 277

41
Q

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

A

transmitted

Pg. 277

42
Q

The energy of a ray is transformed into heat energy.

A

absorbed

Pg. 277

Physics Tests (11 decks)

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