1|Page
PHYS 1260 EXAM 3 LATEST 2026-2027 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
When sunlight illuminates a page from your book it
A) reflects most of it.
B) absorbs at the text lettering.
C) [both of these]
D) [neither of these] - 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. - ANSWER-C)
incident light is returned into the medium from which it came.
Light travels from one place to another along a path of least
A) distance.
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B) time.
C) effort.
D) expense.
E) complication. - ANSWER-B) time.
A spectroscope is used to analyze a sample by separating its
components into a spectrum. If lens #1 were omitted, the resulting
spectrum would be
A) much dimmer.
B) upside down.
C) no different. - ANSWER-A) much dimmer.
What type of lens would we need to correct for a person's near
sightedness?A) Converging
B) Diverging - ANSWER-B) Diverging
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A magnifying glass has a certain focal length. Compared to this
magnifier, a second glass with a thicker lens will have a focal
length that is
A) longer.
B) shorter.
C) the same. - ANSWER-B) shorter.
The ocular in a microscope behaves like a(n)
A) eye piece.
B) magnifying glass.
C) objective.
D) burning glass - ANSWER-B) magnifying glass.
Which of these is a photosensitive surface?
A) none of these
B) Photographic film
C) Retina
D) CCD chip
E) all of these - ANSWER-E) all of these
PHYS 1260 EXAM 3 LATEST 2026-2027 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
When sunlight illuminates a page from your book it
A) reflects most of it.
B) absorbs at the text lettering.
C) [both of these]
D) [neither of these] - 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. - ANSWER-C)
incident light is returned into the medium from which it came.
Light travels from one place to another along a path of least
A) distance.
,2|Page
B) time.
C) effort.
D) expense.
E) complication. - ANSWER-B) time.
A spectroscope is used to analyze a sample by separating its
components into a spectrum. If lens #1 were omitted, the resulting
spectrum would be
A) much dimmer.
B) upside down.
C) no different. - ANSWER-A) much dimmer.
What type of lens would we need to correct for a person's near
sightedness?A) Converging
B) Diverging - ANSWER-B) Diverging
, 3|Page
A magnifying glass has a certain focal length. Compared to this
magnifier, a second glass with a thicker lens will have a focal
length that is
A) longer.
B) shorter.
C) the same. - ANSWER-B) shorter.
The ocular in a microscope behaves like a(n)
A) eye piece.
B) magnifying glass.
C) objective.
D) burning glass - ANSWER-B) magnifying glass.
Which of these is a photosensitive surface?
A) none of these
B) Photographic film
C) Retina
D) CCD chip
E) all of these - ANSWER-E) all of these
