Violet light has a wavelength of approximately ____.
A) 400 nm
B) 4000 nm
C) 7000 nm
D) 700 nm
E) 3*108 m
Correct Answer:
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Q22: What is the relationship between color and
Q29: Which of the following types of electromagnetic
Q39: The objective of most radio telescopes is
Q41: In a reflecting telescope the objective is
Q42: CCD stands for a
A)photometer.
B)charge-coupled device.
C)spectrograph.
D)core collapse device.
E)grating.
Q44: A telescope whose objective is a lens
Q45: A telescope that suffers from chromatic aberration
Q48: Which has the larger light-gathering power
A)a telescope
Q54: Which of the following sequences of electromagnetic
Q56: Chromatic aberration occurs in a _ telescope
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