1|Page
ASTRO 1 EXAM 2 LATEST 2026-2027 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
light acts as:
A. Wave
B. Particle
C. Both
D. Neither - ANSWER-C. Both
What is a photon? - ANSWER-particle of light
- carry energy
- have no mass
- move at speed of light
As light moves from the source, energy concentration decreases.
A. True
B. False - ANSWER-A. True (inverse square law)
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What frequencies of light is NOT high energy?
A. Gamma
B. X-ray
C. Ultraviolet
D. Microwaves - ANSWER-D. Microwaves
Which frequency of light is NOT low energy?
A. Infrared
B. Microwaves
C. Radio Waves
D. Ultraviolet - ANSWER-D. Ultraviolet
Order the wave types from lowest to highest:
A. Radio waves, microwaves, infrared, visible light, ultraviolet, x-
rays, gamma
B. Radio waves, infrared, microwaves, visible light, ultraviolet, x-
rays, gamma
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C. Radio waves, microwaves, ultraviolet, visible light, infrared, x-
rays, gamma - ANSWER-A. Radio waves, microwaves, infrared,
visible light, ultraviolet, x-rays, gamma
Which waves make it through Earths atmosphere?
A. Visible
B. Some UV
C. Some Infrared
D. Radio Waves
E. All of the Above - ANSWER-E. All of the Above
Why does infrared light come closer to surface?
A. It does not get absorbed by the atmosphere
B. It is absorbed by water vapor
C. It is absorbed by trees - ANSWER-B. it is absorbed by water
vapor
Gamma rays are __________ by atmosphere.
A. Absorbed
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B. Not absorbed - ANSWER-A. Absorbed
X-rays are __________ by atmosphere.
A. Absorbed
B. Not absorbed - ANSWER-A. Absorbed
Ultraviolet light is mostly ___________ by atmosphere.
A. Absorbed
B. Not absorbed - ANSWER-A. Absorbed
Infrared light is mostly ________________ by atmosphere.
A. Absorbed
B. Not absorbed - ANSWER-A. Absorbed
Microwaves are __________ by atmosphere.
A. Absorbed
B. Not absorbed - ANSWER-A. Absorbed
ASTRO 1 EXAM 2 LATEST 2026-2027 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
light acts as:
A. Wave
B. Particle
C. Both
D. Neither - ANSWER-C. Both
What is a photon? - ANSWER-particle of light
- carry energy
- have no mass
- move at speed of light
As light moves from the source, energy concentration decreases.
A. True
B. False - ANSWER-A. True (inverse square law)
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What frequencies of light is NOT high energy?
A. Gamma
B. X-ray
C. Ultraviolet
D. Microwaves - ANSWER-D. Microwaves
Which frequency of light is NOT low energy?
A. Infrared
B. Microwaves
C. Radio Waves
D. Ultraviolet - ANSWER-D. Ultraviolet
Order the wave types from lowest to highest:
A. Radio waves, microwaves, infrared, visible light, ultraviolet, x-
rays, gamma
B. Radio waves, infrared, microwaves, visible light, ultraviolet, x-
rays, gamma
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C. Radio waves, microwaves, ultraviolet, visible light, infrared, x-
rays, gamma - ANSWER-A. Radio waves, microwaves, infrared,
visible light, ultraviolet, x-rays, gamma
Which waves make it through Earths atmosphere?
A. Visible
B. Some UV
C. Some Infrared
D. Radio Waves
E. All of the Above - ANSWER-E. All of the Above
Why does infrared light come closer to surface?
A. It does not get absorbed by the atmosphere
B. It is absorbed by water vapor
C. It is absorbed by trees - ANSWER-B. it is absorbed by water
vapor
Gamma rays are __________ by atmosphere.
A. Absorbed
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B. Not absorbed - ANSWER-A. Absorbed
X-rays are __________ by atmosphere.
A. Absorbed
B. Not absorbed - ANSWER-A. Absorbed
Ultraviolet light is mostly ___________ by atmosphere.
A. Absorbed
B. Not absorbed - ANSWER-A. Absorbed
Infrared light is mostly ________________ by atmosphere.
A. Absorbed
B. Not absorbed - ANSWER-A. Absorbed
Microwaves are __________ by atmosphere.
A. Absorbed
B. Not absorbed - ANSWER-A. Absorbed
