A large luminosity star
a) is always at a larger distance than a small luminosity star
b) emits more light than a low luminosity star
c) is always redder than a star with a small luminosity
d) is at a lower temperature than a small luminosity star
e) is always at a smaller distance than a small luminosity star
Ans: b) emits more light than a low luminosity star
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A change in the apparent frequency of waves caused by the motion of either the observer or the source of the waves
A) ultrasonography B) photosonography C) doppler effect
Monochromatic light hits a piece of glass. Assuming the frequency remains constant, what happens to the wavelength in the glass as the index of refraction decreases?
a. decreases c. increases b. approaches 3 × 10^8 m d. remains constant
The safest and simplest way to observe the partial phases of a solar eclipse is to use _______________ projection
Fill in the blank(s) with correct word
At a molecular level, evolution proceeds via a process of
A) transcription B) translation C) replication D) mutation