1
physics 1260 exam 3 Questions with
100% Correct Answers
Most of the waves in the electromagnetic spectrum are
A) red light.
B) blue light.
C) green light.
D) invisible. Correct Answer: D) invisible.
Electromagnetic waves consist of
A) the compression and refraction of electromagnetic pulses.
B) oscillating electric and magnetic fields. C) particles of light energy.
D) high-frequency sound waves. Correct Answer: B) oscillating electric and
magnetic fields.
Which of the following cannot travel in a vacuum (free space)?
A) Light wave
B) Sound wave
C) Radio wave
:
vPretest - Stuvia US
, 2
D) [all of these]
E) [none of these] Correct Answer: B) Sound wave
The fact that you can see stars in the nighttime sky is evidence that
A) our atmosphere is transparent to visible light.
B) light can travel in a vacuum.
C) [both of these]
D) [neither of these] Correct Answer: C) [both of these]
Light is reflected when
A) electron clouds of atoms are energized.
B) atomic nuclei are made to vibrate.
C) incident light is returned into the medium from which it came.
D) electromagnetic waves emanate from matter. Correct Answer: C) incident
light is returned into the medium from which it came.
When sunlight illuminates a page from your book it
A) reflects most of it.
B) absorbs at the text lettering.
:
vPretest - Stuvia US
physics 1260 exam 3 Questions with
100% Correct Answers
Most of the waves in the electromagnetic spectrum are
A) red light.
B) blue light.
C) green light.
D) invisible. Correct Answer: D) invisible.
Electromagnetic waves consist of
A) the compression and refraction of electromagnetic pulses.
B) oscillating electric and magnetic fields. C) particles of light energy.
D) high-frequency sound waves. Correct Answer: B) oscillating electric and
magnetic fields.
Which of the following cannot travel in a vacuum (free space)?
A) Light wave
B) Sound wave
C) Radio wave
:
vPretest - Stuvia US
, 2
D) [all of these]
E) [none of these] Correct Answer: B) Sound wave
The fact that you can see stars in the nighttime sky is evidence that
A) our atmosphere is transparent to visible light.
B) light can travel in a vacuum.
C) [both of these]
D) [neither of these] Correct Answer: C) [both of these]
Light is reflected when
A) electron clouds of atoms are energized.
B) atomic nuclei are made to vibrate.
C) incident light is returned into the medium from which it came.
D) electromagnetic waves emanate from matter. Correct Answer: C) incident
light is returned into the medium from which it came.
When sunlight illuminates a page from your book it
A) reflects most of it.
B) absorbs at the text lettering.
:
vPretest - Stuvia US
