A key component of one type of spectroscope for visible radiation is the
A) filter for separating the different gases.
B) magnet for bending the radiation beam.
C) electrostatic plate for bending and separating the radiation beam.
D) prism for separating the radiation beam.
E) mirror for separating the radiation beam.
Question 2
A hypothetical planet has a mass of one-half that of the earth and a radius of twice that of the earth. What is the free-fall acceleration on the planet in terms of g, the free-fall acceleration at the surface of the earth?
A) g
B) g/2
C) g/4
D) g/8
E) g/16
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