AST CERTIFICATION EVALUATION 2026
COMPREHENSIVE QUESTIONS ANSWERS
◉ This chapter discusses that light sometimes acts like a photon.
What is a photon?
A
a charged particle in the nucleus of every atom
B
a kind of magnetic substance found in reflective minerals
C
a self-contained "packet" of electro-magnetic energy
D
a kind of sound that is too high frequency for the human ear to hear
E
you can't fool me. Einstein showed that photons were a mistake -
they don't exist. Answer: C
◉ In the future, several students living on board a space station
decide to have a race among different types of electromagnetic
radiation. Which of the following travels through space the fastest?
A
,visible light
B
radio waves
C
infrared
D
x-rays
E
you can't fool me, all of these travel through space at the same speed
Answer: E
◉ Which of the following has the longest wavelength?
A
radio waves
B
visible light waves
C
ultraviolet waves
D
x-rays
E
you can't fool me, all these have the same wavelength Answer: A
, ◉ A fashion designer decides to bring out a new line of clothing
which reflects the longest wavelength of visible light. What color will
these articles of clothing be to the human eye?
A
yellow-green
B
blue
C
violet
D
red
E
black Answer: D
◉ Which of the following statements about photons is FALSE?
A
photons always travel at the speed of light
B
photons each carry a specific amount of energy
C
COMPREHENSIVE QUESTIONS ANSWERS
◉ This chapter discusses that light sometimes acts like a photon.
What is a photon?
A
a charged particle in the nucleus of every atom
B
a kind of magnetic substance found in reflective minerals
C
a self-contained "packet" of electro-magnetic energy
D
a kind of sound that is too high frequency for the human ear to hear
E
you can't fool me. Einstein showed that photons were a mistake -
they don't exist. Answer: C
◉ In the future, several students living on board a space station
decide to have a race among different types of electromagnetic
radiation. Which of the following travels through space the fastest?
A
,visible light
B
radio waves
C
infrared
D
x-rays
E
you can't fool me, all of these travel through space at the same speed
Answer: E
◉ Which of the following has the longest wavelength?
A
radio waves
B
visible light waves
C
ultraviolet waves
D
x-rays
E
you can't fool me, all these have the same wavelength Answer: A
, ◉ A fashion designer decides to bring out a new line of clothing
which reflects the longest wavelength of visible light. What color will
these articles of clothing be to the human eye?
A
yellow-green
B
blue
C
violet
D
red
E
black Answer: D
◉ Which of the following statements about photons is FALSE?
A
photons always travel at the speed of light
B
photons each carry a specific amount of energy
C
