PHYSICS 1260 COMPREHENSIVE TEST BANK
2026 DETAILED SOLUTIONS EXPERT
EXPLANATIONS GRADED A+
◉ Electromagnetic waves consist of. Answer: oscillating electric and
magnetic fields
◉ In free space, electromagnetic waves travel at a. Answer: single speed
◉ If a light signal and a radio signal were emitted simultaneously from
Alpha Centauri, the first to reach Earth would be the. Answer: both at
the same time
◉ Which of the following cannot travel in a vacuum (free space)?
Answer: Sound wave
◉ The fact that you can see stars in the nighttime sky is evidence that.
Answer: our atmosphere is transparent to visible light and light can
travel in a vacuum
◉ Light is reflected when. Answer: incident light is returned into the
medium from which it came
, ◉ When sunlight illuminates a page from your book it. Answer: reflects
most of it and absorbs at the text lettering
◉ Light travels from one place to another along a path of least. Answer:
time
◉ Fermat's principle applies to. Answer: reflection and refraction
◉ The inversion of your image in a plane mirror is actually an inversion
of. Answer: left-right and front-back
◉ Refraction occurs when light passing from one medium to another.
Answer: changes speed
◉ When a light ray in air enters water at 15° from the normal, it.
Answer: always bends toward the normal
◉ Which are consequences of different speeds of light in different
media? Answer: Mirages, Rainbows, and Brilliant colors of diamonds
◉ The type of lens that brings parallel light rays together is a. Answer:
converging lens
◉ The type of lens that spreads parallel light is a. Answer: diverging lens
2026 DETAILED SOLUTIONS EXPERT
EXPLANATIONS GRADED A+
◉ Electromagnetic waves consist of. Answer: oscillating electric and
magnetic fields
◉ In free space, electromagnetic waves travel at a. Answer: single speed
◉ If a light signal and a radio signal were emitted simultaneously from
Alpha Centauri, the first to reach Earth would be the. Answer: both at
the same time
◉ Which of the following cannot travel in a vacuum (free space)?
Answer: Sound wave
◉ The fact that you can see stars in the nighttime sky is evidence that.
Answer: our atmosphere is transparent to visible light and light can
travel in a vacuum
◉ Light is reflected when. Answer: incident light is returned into the
medium from which it came
, ◉ When sunlight illuminates a page from your book it. Answer: reflects
most of it and absorbs at the text lettering
◉ Light travels from one place to another along a path of least. Answer:
time
◉ Fermat's principle applies to. Answer: reflection and refraction
◉ The inversion of your image in a plane mirror is actually an inversion
of. Answer: left-right and front-back
◉ Refraction occurs when light passing from one medium to another.
Answer: changes speed
◉ When a light ray in air enters water at 15° from the normal, it.
Answer: always bends toward the normal
◉ Which are consequences of different speeds of light in different
media? Answer: Mirages, Rainbows, and Brilliant colors of diamonds
◉ The type of lens that brings parallel light rays together is a. Answer:
converging lens
◉ The type of lens that spreads parallel light is a. Answer: diverging lens
