Question 1

​Match each item with the correct statement below.
-causes skin to tan

Accepted Answer

A) ​blackbody radiation 
B) ​carbon dioxide 
C) ​electromagnetic induction 
D) ​gamma rays 
E) ​greenhouse effect
F)​infrared
G)​ionosphere
H)​lodestone
I)​magnetic field
J)​microwaves
K)​ozone
L)​radio waves
M)​transformer
N)​ultraviolet
O)​x rays 
A) ​blackbody radiation 
B) ​carbon dioxide 
C) ​electromagnetic induction 
D) ​gamma rays 
E) ​greenhouse effect
F)​infrared
G)​ionosphere
H)​lodestone
I)​magnetic field
J)​microwaves
K)​ozone
L)​radio waves
M)​transformer
N)​ultraviolet
O)​x rays

Question 2

__________ radiation is emitted from a small hole in a furnace.

Accepted Answer

The answer of __________ radiation is emitted from a small...

Question 3

​Match each item with the correct statement below.
-its direction at a point is indicated by a compass

Accepted Answer

A) ​blackbody radiation 
B) ​carbon dioxide 
C) ​electromagnetic induction 
D) ​gamma rays 
E) ​greenhouse effect
F)​infrared
G)​ionosphere
H)​lodestone
I)​magnetic field
J)​microwaves
K)​ozone
L)​radio waves
M)​transformer
N)​ultraviolet
O)​x rays 
A) ​blackbody radiation 
B) ​carbon dioxide 
C) ​electromagnetic induction 
D) ​gamma rays 
E) ​greenhouse effect
F)​infrared
G)​ionosphere
H)​lodestone
I)​magnetic field
J)​microwaves
K)​ozone
L)​radio waves
M)​transformer
N)​ultraviolet
O)​x rays

Question 4

Making a digital recording of a sound involves

Accepted Answer

A) analog-to-digital conversion. 
B) digital-to-analog conversion. 
C) electromagnetic waves. 
D) all of the above. 
A) analog-to-digital conversion. 
B) digital-to-analog conversion. 
C) electromagnetic waves. 
D) all of the above.

Question 5

The type of EM waves used in radar is __________.

Accepted Answer

The answer of The type of EM waves used in...

Question 6

For a body emitting blackbody radiation,the total power emitted is proportional to the 4th power of the body's absolute temperature:   (T in kelvins)
and the wavelength of the emitted EM radiation that has the highest intensity is inversely proportional to the body's absolute temperature according to:   (   in meters,T in kelvins)
Assume an object is emitting blackbody radiation.
-The peak of a body's blackbody radiation curve shifts toward longer wavelength as the temperature of the body __________.

Accepted Answer

The answer of For a body emitting blackbody radiation,the total...

Question 7

The type of EM wave having the highest frequency is __________.

Accepted Answer

The answer of The type of EM wave having the...

Question 8

For a body emitting blackbody radiation,the total power emitted is proportional to the 4th power of the body's absolute temperature:   (T in kelvins)
and the wavelength of the emitted EM radiation that has the highest intensity is inversely proportional to the body's absolute temperature according to:   (   in meters,T in kelvins)
Assume an object is emitting blackbody radiation.
-As the temperature of a body increases the color of the body shifts from __________ to __________.

Accepted Answer

The answer of For a body emitting blackbody radiation,the total...

Question 9

For a body emitting blackbody radiation,the total power emitted is proportional to the 4th power of the body's absolute temperature:   (T in kelvins)
and the wavelength of the emitted EM radiation that has the highest intensity is inversely proportional to the body's absolute temperature according to:   (   in meters,T in kelvins)
Assume an object is emitting blackbody radiation.
-The peak of a body's blackbody radiation curve shifts upward as the temperature of the body __________.

Accepted Answer

The answer of For a body emitting blackbody radiation,the total...

Question 10

The deviation from the way a compass needle points from the true north direction is the

Accepted Answer

A) greenhouse effect. 
B) magnetic inclination. 
C) magnetic declination. 
D) magnetic resonance effect. 
E) none of the above 
A) greenhouse effect. 
B) magnetic inclination. 
C) magnetic declination. 
D) magnetic resonance effect. 
E) none of the above

Question 11

(a)What is the wavelength of the peak of the blackbody radiation curve for something at 3,000 kelvins (the temperature of the filament of a light bulb)? (b)What type of EM wave is this?

Accepted Answer

(a)9.67 ×

Question 12

For a body emitting blackbody radiation,the total power emitted is proportional to the 4th power of the body's absolute temperature:   (T in kelvins)
and the wavelength of the emitted EM radiation that has the highest intensity is inversely proportional to the body's absolute temperature according to:   (   in meters,T in kelvins)
Assume an object is emitting blackbody radiation.
-As the temperature of a body increases,the peak of its blackbody radiation curve

Accepted Answer

A) shifts toward longer wavelength. 
B) shifts toward shorter wavelength. 
C) shifts upward. 
D) shifts downward. 
E) doesn't change. 
A) shifts toward longer wavelength. 
B) shifts toward shorter wavelength. 
C) shifts upward. 
D) shifts downward. 
E) doesn't change.

Question 13

For a body emitting blackbody radiation,the total power emitted is proportional to the 4th power of the body's absolute temperature:   (T in kelvins)
and the wavelength of the emitted EM radiation that has the highest intensity is inversely proportional to the body's absolute temperature according to:   (   in meters,T in kelvins)
Assume an object is emitting blackbody radiation.
-As the temperature of an object increases,the wavelength of the brightest light emitted

Accepted Answer

A) increases. 
B) decreases. 
C) doesn't change. 
D) depends on the composition of the body. 
E) depends on the size of the body. 
A) increases. 
B) decreases. 
C) doesn't change. 
D) depends on the composition of the body. 
E) depends on the size of the body.

Match each item with the correct statement below. -causes skin to tan

__________ radiation is emitted from a small hole in a furnace.

Match each item with the correct statement below. -its direction at a point is indicated by a compass

Making a digital recording of a sound involves

The type of EM waves used in radar is __________.

The type of EM wave having the highest frequency is __________.

The deviation from the way a compass needle points from the true north direction is the

(a)What is the wavelength of the peak of the blackbody radiation curve for something at 3,000 kelvins (the temperature of the filament of a light bulb)? (b)What type of EM wave is this?

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

Exam 8: Electromagnetism and Em Waves

​Match each item with the correct statement below. -causes skin to tan

__________ radiation is emitted from a small hole in a furnace.

​Match each item with the correct statement below. -its direction at a point is indicated by a compass

Making a digital recording of a sound involves

The type of EM waves used in radar is __________.

The type of EM wave having the highest frequency is __________.

The deviation from the way a compass needle points from the true north direction is the

(a)What is the wavelength of the peak of the blackbody radiation curve for something at 3,000 kelvins (the temperature of the filament of a light bulb)? (b)What type of EM wave is this?

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

Match each item with the correct statement below. -causes skin to tan

Match each item with the correct statement below. -its direction at a point is indicated by a compass