Physics 1260 Exam Review Questions and Correct
Answers
Which of the following can be projected onto aviewing screen? - Answer real
image
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 - Answer
much dimmer
What type of lens would we need to correct for aperson's nearsightedness? -
Answer diverging
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 - Answer shorter
The ocular in a microscope behaves like a(n) - Answer magnifying glass
Which of the following focal lengths would beappropriate for the ocular of an
astronomicaltelescope: 2.5 cm, −2.5 cm, 5 cm, −10 cm, 40 cm - Answer 2.5 cm,
5 cm
Electromagnetic waves consist of - Answer oscillating electric and magnetic fields.
Answers
Which of the following can be projected onto aviewing screen? - Answer real
image
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 - Answer
much dimmer
What type of lens would we need to correct for aperson's nearsightedness? -
Answer diverging
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 - Answer shorter
The ocular in a microscope behaves like a(n) - Answer magnifying glass
Which of the following focal lengths would beappropriate for the ocular of an
astronomicaltelescope: 2.5 cm, −2.5 cm, 5 cm, −10 cm, 40 cm - Answer 2.5 cm,
5 cm
Electromagnetic waves consist of - Answer oscillating electric and magnetic fields.
