Question 1

The image in a pinhole camera is

Accepted Answer

A) always inverted. 
B) sometimes inverted. 
C) always right-side up. 
A) always inverted. 
B) sometimes inverted. 
C) always right-side up.

Question 2

The yellow clothes of a stage performer appear black when illuminated by light that is

Accepted Answer

A) red. 
B) green. 
C) blue. 
D) all the above combined 
E) none of the above 
A) red. 
B) green. 
C) blue. 
D) all the above combined 
E) none of the above

Question 3

Because of refraction,the Sun near sunset appears

Accepted Answer

A) higher in the sky. 
B) lower in the sky. 
C) farther away. 
A) higher in the sky. 
B) lower in the sky. 
C) farther away.

Question 4

A blue object will appear black when illuminated with

Accepted Answer

A) blue light. 
B) cyan light. 
C) yellow light. 
D) light. 
E) none of the above 
A) blue light. 
B) cyan light. 
C) yellow light. 
D) light. 
E) none of the above

Question 5

Rainbows exist because light is

Accepted Answer

A) reflected. 
B) refracted. 
C) both of these 
D) none of the above 
A) reflected. 
B) refracted. 
C) both of these 
D) none of the above

Question 6

In looking at yourself in a steamy mirror you wipe just enough moisture away to barely see a full view of your face.If you move back from the mirror you'll see

Accepted Answer

A) a bit more of your face. 
B) a bit less of your face. 
C) the same amount of your face. 
A) a bit more of your face. 
B) a bit less of your face. 
C) the same amount of your face.

Question 7

The inversion of Marjorie's image in a plane mirror is actually an inversion of

Accepted Answer

A) left and right. 
B) up and down. 
C) front and back. 
D) all of the above 
A) left and right. 
B) up and down. 
C) front and back. 
D) all of the above

Question 8

The frequency of an electromagnetic wave and the frequency of the vibrating electrons that produce it are

Accepted Answer

A) nearly the same. 
B) the same. 
C) quite different. 
A) nearly the same. 
B) the same. 
C) quite different.

Question 9

The sky is blue because air molecules in the sky act as tiny

Accepted Answer

A) mirrors that reflect only blue light. 
B) resonators that scatter blue light. 
C) sources of white light. 
D) prisms. 
E) none of the above 
A) mirrors that reflect only blue light. 
B) resonators that scatter blue light. 
C) sources of white light. 
D) prisms. 
E) none of the above

Question 10

Light changes direction when traveling from air into glass due to changes in light's

Accepted Answer

A) intensity. 
B) wavelength. 
C) frequency. 
D) velocity. 
E) amplitude. 
A) intensity. 
B) wavelength. 
C) frequency. 
D) velocity. 
E) amplitude.

Question 11

Which travels fastest in a vacuum?

Accepted Answer

A) radio waves 
B) light 
C) X-rays 
D) all the same 
A) radio waves 
B) light 
C) X-rays 
D) all the same

Question 12

If you wish to send a beam of laser light from Earth to a space station above the atmosphere near the horizon,aim your laser

Accepted Answer

A) above your line of sight. 
B) below your line of sight. 
C) along your line of sight. 
A) above your line of sight. 
B) below your line of sight. 
C) along your line of sight.

Question 13

A diver shines light up to the surface of a smooth pond at a 10° angle to the normal.Some light passes into the air above,and the part that reflects back into the water makes an angle to the normal of

Accepted Answer

A) less than 10°. 
B) 10°. 
C) more than 10°. 
A) less than 10°. 
B) 10°. 
C) more than 10°.

Question 14

If you walk at a constant pace across a room of known length,your walking speed is the room length divided by the time to cross the room.Now suppose you repeat your walk but briefly stop along the way to interact with people sitting along your path.What effect does this have on your average speed across the room? How is this analogous to light passing through glass? In what way is it not analogous?

Accepted Answer

When you walk across the room and pause

Question 15

Object and image for a plane mirror lie

Accepted Answer

A) along the same plane. 
B) equal distances from the mirror. 
C) at right angles to each other. 
D) all of the above 
E) none of the above 
A) along the same plane. 
B) equal distances from the mirror. 
C) at right angles to each other. 
D) all of the above 
E) none of the above

Question 16

When viewing a seascape,what is a major difference in the effect of wearing polarizing sunglasses versus sunglasses that simply cut down on intensity?

Accepted Answer

Much of the glare from surfaces is polar

Question 17

Refraction results from changes in light's

Accepted Answer

A) frequency. 
B) incident angles. 
C) speed. 
D) all of the above 
E) none of the above 
A) frequency. 
B) incident angles. 
C) speed. 
D) all of the above 
E) none of the above

Question 18

If you wish to spear a small blue fish with a red laser beam,you should compensate for refraction and aim your laser

Accepted Answer

A) directly at the sighted fish. 
B) above the sighted fish. 
C) below the sighted fish. 
A) directly at the sighted fish. 
B) above the sighted fish. 
C) below the sighted fish.

Question 19

Refraction occurs when light passing from one medium to another

Accepted Answer

A) changes frequency. 
B) changes speed. 
C) loses energy. 
D) reflects inward. 
A) changes frequency. 
B) changes speed. 
C) loses energy. 
D) reflects inward.

Question 20

Light from inside a raindrop that exits into the air

Accepted Answer

A) slows down. 
B) remains at speed c. 
C) speeds up. 
D) none of the above 
A) slows down. 
B) remains at speed c. 
C) speeds up. 
D) none of the above

Exam 11: Light

The image in a pinhole camera is

The yellow clothes of a stage performer appear black when illuminated by light that is

Because of refraction,the Sun near sunset appears

A blue object will appear black when illuminated with

Rainbows exist because light is

In looking at yourself in a steamy mirror you wipe just enough moisture away to barely see a full view of your face.If you move back from the mirror you'll see

The inversion of Marjorie's image in a plane mirror is actually an inversion of

The frequency of an electromagnetic wave and the frequency of the vibrating electrons that produce it are

The sky is blue because air molecules in the sky act as tiny

Light changes direction when traveling from air into glass due to changes in light's

Which travels fastest in a vacuum?

If you wish to send a beam of laser light from Earth to a space station above the atmosphere near the horizon,aim your laser

A diver shines light up to the surface of a smooth pond at a 10° angle to the normal.Some light passes into the air above,and the part that reflects back into the water makes an angle to the normal of

Object and image for a plane mirror lie

When viewing a seascape,what is a major difference in the effect of wearing polarizing sunglasses versus sunglasses that simply cut down on intensity?

Refraction results from changes in light's

If you wish to spear a small blue fish with a red laser beam,you should compensate for refraction and aim your laser

Refraction occurs when light passing from one medium to another

Light from inside a raindrop that exits into the air

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

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