Question 1

Why is ultraviolet light not transmitted by glass?

Accepted Answer

Ultraviolet light (UV)is in the range of

Question 2

Relative to its average speed in air,the average speed of a beam of light in glass is

Accepted Answer

A) more. 
B) the same. 
C) less. 
A) more. 
B) the same. 
C) less.

Question 3

Small openings between leaves in a tree act as pinholes.The round spots of light cast on the ground below are images of

Accepted Answer

A) the Sun. 
B) the openings themselves. 
C) both of these 
D) neither of these 
A) the Sun. 
B) the openings themselves. 
C) both of these 
D) neither of these

Question 4

Which will warm up quicker in sunlight?

Accepted Answer

A) a piece of colored glass 
B) a piece of clear glass 
C) both the same 
A) a piece of colored glass 
B) a piece of clear glass 
C) both the same

Question 5

If sunlight were green instead of white,the most comfortable color to wear on a cold day would be

Accepted Answer

A) magenta. 
B) yellow. 
C) green. 
D) blue. 
E) violet. 
A) magenta. 
B) yellow. 
C) green. 
D) blue. 
E) violet.

Question 6

Your friend says that any radio wave travels appreciably faster than any sound wave.

Accepted Answer

A) agree with your friend unconditionally 
B) agree with your friend for most common cases 
C) disagree with your friend 
D) find a new friend 
A) agree with your friend unconditionally 
B) agree with your friend for most common cases 
C) disagree with your friend 
D) find a new friend

Question 7

Light shines on a pane of green glass and a pane of clear glass.The temperature will be higher in the

Accepted Answer

A) clear glass. 
B) green glass. 
C) neither 
A) clear glass. 
B) green glass. 
C) neither

Question 8

A distant palm tree on a hot dry day that often appears to be reflected from water is

Accepted Answer

A) due to light refracted upward as it grazes the hot surface. 
B) the inverse of a mirage. 
C) evidence that light travels in straight lines. 
A) due to light refracted upward as it grazes the hot surface. 
B) the inverse of a mirage. 
C) evidence that light travels in straight lines.

Question 9

What are the three primary colors for light addition? What colors appear when light of only two primary colors are shone on a white screen? How would the color purple be produced?

Accepted Answer

The three primary colors are red,green,a

Question 10

Most of the waves in the electromagnetic spectrum are

Accepted Answer

A) red light. 
B) blue light. 
C) green light. 
D) invisible. 
A) red light. 
B) blue light. 
C) green light. 
D) invisible.

Question 11

Which interacts more with sounds of relatively high frequencies?

Accepted Answer

A) large bells 
B) small bells 
C) both the same 
A) large bells 
B) small bells 
C) both the same

Question 12

A changing electric field induces a changing

Accepted Answer

A) magnetic field. 
B) electromagnetic field. 
C) both of these 
D) neither of these 
A) magnetic field. 
B) electromagnetic field. 
C) both of these 
D) neither of these

Question 13

The part of the electromagnetic spectrum most absorbed by water is

Accepted Answer

A) infrared. 
B) lower frequencies of visible light. 
C) middle frequencies of visible light. 
D) higher frequencies of visible light. 
E) all of the above 
A) infrared. 
B) lower frequencies of visible light. 
C) middle frequencies of visible light. 
D) higher frequencies of visible light. 
E) all of the above

Question 14

The different colors of the spectrum

Accepted Answer

A) are sharply divided. 
B) blend from one to another. 
C) differ from the colors of a rainbow. 
A) are sharply divided. 
B) blend from one to another. 
C) differ from the colors of a rainbow.

Question 15

When visible light is incident upon transparent glass,most atoms in the glass

Accepted Answer

A) are forced into vibration. 
B) resonate. 
C) convert the light energy into thermal energy. 
A) are forced into vibration. 
B) resonate. 
C) convert the light energy into thermal energy.

Question 16

A red crab crawling very deep in the water where sunlight is very dim appears

Accepted Answer

A) red. 
B) orange. 
C) cyan. 
D) brown. 
E) black. 
A) red. 
B) orange. 
C) cyan. 
D) brown. 
E) black.

Question 17

A wave with a long wavelength has a relatively

Accepted Answer

A) low frequency. 
B) high frequency. 
C) both of these 
D) neither 
A) low frequency. 
B) high frequency. 
C) both of these 
D) neither

Question 18

When light from the air enters a raindrop,the light

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

Question 19

Electromagnetic waves consist of

Accepted Answer

A) compressions and rarefactions of electromagnetic pulses. 
B) oscillating electric and magnetic fields. 
C) particles of light energy. 
D) high-frequency sound waves. 
A) compressions and rarefactions of electromagnetic pulses. 
B) oscillating electric and magnetic fields. 
C) particles of light energy. 
D) high-frequency sound waves.

Question 20

Light will not pass through a pair of Polaroids when their axes are

Accepted Answer

A) parallel. 
B) perpendicular. 
C) 45° to each other. 
D) all of the above 
E) none of the above 
A) parallel. 
B) perpendicular. 
C) 45° to each other. 
D) all of the above 
E) none of the above

Exam 11: Light

Why is ultraviolet light not transmitted by glass?

Relative to its average speed in air,the average speed of a beam of light in glass is

Small openings between leaves in a tree act as pinholes.The round spots of light cast on the ground below are images of

Which will warm up quicker in sunlight?

If sunlight were green instead of white,the most comfortable color to wear on a cold day would be

Your friend says that any radio wave travels appreciably faster than any sound wave.

Light shines on a pane of green glass and a pane of clear glass.The temperature will be higher in the

A distant palm tree on a hot dry day that often appears to be reflected from water is

What are the three primary colors for light addition? What colors appear when light of only two primary colors are shone on a white screen? How would the color purple be produced?

Most of the waves in the electromagnetic spectrum are

Which interacts more with sounds of relatively high frequencies?

A changing electric field induces a changing

The part of the electromagnetic spectrum most absorbed by water is

The different colors of the spectrum

When visible light is incident upon transparent glass,most atoms in the glass

A red crab crawling very deep in the water where sunlight is very dim appears

A wave with a long wavelength has a relatively

When light from the air enters a raindrop,the light

Electromagnetic waves consist of

Light will not pass through a pair of Polaroids when their axes are

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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