What is the wavelength of light that has a frequency of 3 MHz
A) 9 × 1014 Hz
B) 1 × 1014 m
C) 9 × 1014 m
D) 100 m
E) 0.01 m
Correct Answer:
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Q34: Which of the following types of electromagnetic
Q35: An achromatic lens
A)is used to correct spherical
Q36: A nanometer is
A)a unit of frequency.
B)a unit
Q37: The primary mirrors of most radio telescopes
Q38: The resolving power for light of 550
Q40: What is the ratio of the light-gathering
Q41: What statement below best describes the refraction
Q42: CCD stands for a
A)photometer.
B)charge-coupled device.
C)spectrograph.
D)core collapse device.
E)grating.
Q43: What is the ratio of the light-gathering
Q44: A telescope whose primary is a lens
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