Question 1

-What is the refracted ray indicated by?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 2

The sky appears blue due to the light reflected from the oceans.

Accepted Answer

A) True 
 B)False

Question 3

The Sun appears reddish as it sets because

Accepted Answer

A) the Sun emits more radiation at longer wavelengths at sunset. 
B) more of the shorter, bluer wavelengths are scattered by the dust and haze. 
C) the Doppler shift lowers the frequency as a given spot on Earth rotates away from 
D) the Sun. 
E) more of the longer, redder wavelengths are scattered by the atmosphere. 
A) the Sun emits more radiation at longer wavelengths at sunset. 
B) more of the shorter, bluer wavelengths are scattered by the dust and haze. 
C) the Doppler shift lowers the frequency as a given spot on Earth rotates away from 
D) the Sun. 
E) more of the longer, redder wavelengths are scattered by the atmosphere.

Question 4

Farsightedness, or hyperopia, can be corrected with what type lens?

Accepted Answer

A) convex 
B) concave 
C) reflecting 
D) None of the above. 
A) convex 
B) concave 
C) reflecting 
D) None of the above.

Question 5

The index of refraction for flint glass is 1.5.This means that

Accepted Answer

A) light travels faster in this medium than it does in vacuum. 
B) the wavelength of light passing through glass is 1.5* as long as it is in vacuum. 
C) the speed of light is slower in this medium than it is in vacuum. 
D) a ray of light is refracted away from the normal as it passes from air into glass. 
A) light travels faster in this medium than it does in vacuum. 
B) the wavelength of light passing through glass is 1.5* as long as it is in vacuum. 
C) the speed of light is slower in this medium than it is in vacuum. 
D) a ray of light is refracted away from the normal as it passes from air into glass.

Question 6

We explain light today

Accepted Answer

A) mostly with particle models. 
B) mostly as a wave phenomenon. 
C) as having both wave and particle behavior. 
D) as something completely unknown. 
A) mostly with particle models. 
B) mostly as a wave phenomenon. 
C) as having both wave and particle behavior. 
D) as something completely unknown.

Question 7

You are able to see non-luminous objects because light has undergone

Accepted Answer

A) diffuse reflection. 
B) refraction. 
C) constructive interference. 
D) a change in speed. 
A) diffuse reflection. 
B) refraction. 
C) constructive interference. 
D) a change in speed.

Question 8

A mirage is caused by hot air near the ground

Accepted Answer

A) refracting light rays upward. 
B) reflecting light rays upward. 
C) refracting light rays downward. 
D) reflecting light rays downward. 
A) refracting light rays upward. 
B) reflecting light rays upward. 
C) refracting light rays downward. 
D) reflecting light rays downward.

Question 9

The radiation from the Sun is most intense near the yellow-green wavelength.

Accepted Answer

A) True 
 B)False

Question 10

What are the units of h in the equation E = hf?

Accepted Answer

A)    
B)    
C) J.s 
D) W.m 
A)    
B)    
C) J.s 
D) W.m

Question 11

Which of the following object does not emit light?

Accepted Answer

A) a candle flame 
B) the Sun 
C) the Moon 
D) a burning coal 
A) a candle flame 
B) the Sun 
C) the Moon 
D) a burning coal

Question 12

Glare is light that tends to be polarized predominantly in the horizontal plane.

Accepted Answer

A) True 
 B)False

Question 13

The photoelectric effect could not be adequately explained with a wave model of light because

Accepted Answer

A) the energy of the electrons ejected from a metal varied directly with the intensity. 
B) the number of electrons ejected from a metal depended upon the intensity. 
C) the number of electrons ejected from a metal depended upon the wavelength. 
D) the energy of the ejected electrons did not depend upon the intensity. 
A) the energy of the electrons ejected from a metal varied directly with the intensity. 
B) the number of electrons ejected from a metal depended upon the intensity. 
C) the number of electrons ejected from a metal depended upon the wavelength. 
D) the energy of the ejected electrons did not depend upon the intensity.

Question 14

Ultraviolet light carries more energy than infrared radiation.

Accepted Answer

A) True 
 B)False

Question 15

The frequency of radiation is

Accepted Answer

A) directly proportional to its wavelength. 
B) inversely proportional to the velocity. 
C) independent of the temperature of the source. 
D) None of the above. 
A) directly proportional to its wavelength. 
B) inversely proportional to the velocity. 
C) independent of the temperature of the source. 
D) None of the above.

$-What is the refracted ray indicated by?$ -What is the refracted ray indicated by?

The sky appears blue due to the light reflected from the oceans.

The Sun appears reddish as it sets because

Farsightedness, or hyperopia, can be corrected with what type lens?

The index of refraction for flint glass is 1.5.This means that

We explain light today

You are able to see non-luminous objects because light has undergone

A mirage is caused by hot air near the ground

The radiation from the Sun is most intense near the yellow-green wavelength.

What are the units of h in the equation E = hf?

Which of the following object does not emit light?

Glare is light that tends to be polarized predominantly in the horizontal plane.

The photoelectric effect could not be adequately explained with a wave model of light because

Ultraviolet light carries more energy than infrared radiation.

The frequency of radiation is

What Is Science

Motion

Energy

Heat and Temperature

Wave Motions and Sound

Electricity

Atoms and Periodic Properties

Chemical Bonds

Chemical Reactions

Water and Solutions

Organic Chemistry

Nuclear Reactions

The Universe

The Solar System

Earth in Space

Rocks and Minerals

Plate Tectonics

Building Earths Surface

Shaping Earths Surface

Geologic Time

The Atmosphere of Earth

Weather and Climate

Earths Waters

Filters

Exam 7: Light

-What is the refracted ray indicated by?

The sky appears blue due to the light reflected from the oceans.

The Sun appears reddish as it sets because

Farsightedness, or hyperopia, can be corrected with what type lens?

The index of refraction for flint glass is 1.5.This means that

We explain light today

You are able to see non-luminous objects because light has undergone

A mirage is caused by hot air near the ground

The radiation from the Sun is most intense near the yellow-green wavelength.

What are the units of h in the equation E = hf?

Which of the following object does not emit light?

Glare is light that tends to be polarized predominantly in the horizontal plane.

The photoelectric effect could not be adequately explained with a wave model of light because

Ultraviolet light carries more energy than infrared radiation.

The frequency of radiation is

What Is Science

Motion

Energy

Heat and Temperature

Wave Motions and Sound

Electricity

Atoms and Periodic Properties

Chemical Bonds

Chemical Reactions

Water and Solutions

Organic Chemistry

Nuclear Reactions

The Universe

The Solar System

Earth in Space

Rocks and Minerals

Plate Tectonics

Building Earths Surface

Shaping Earths Surface

Geologic Time

The Atmosphere of Earth

Weather and Climate

Earths Waters

Filters

$-What is the refracted ray indicated by?$ -What is the refracted ray indicated by?