Olympus Mons and Maxwell Mons are both:
A) large features on the surface of Mars.
B) features visible from Earth.
C) dormant volcanoes.
D) shield volcanoes.
E) the two largest known volcanoes in the solar system.
D
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Compound Microscope: You have a choice between two lenses of focal lengths fa and fb, where fb = 2fa, to use as the objective lens in building a compound microscope. If the magnification you obtain using lens a is Ma, what will be the magnification when using lens b?
A. Mb = 2 Ma B. Mb = 4 Ma C. Mb = 8 Ma D. Mb = Ma/4 E. Mb = Ma/2
What other information do we combine with the luminosity of a Type Ia supernova to measure its distance?
A: energy. B: apparent brightness. C: temperature. D: size. E: redshift.
Instantaneous speed and average speed are equal
a. always b. for motion at constant speed c. for accelerated motion d. never
Among the following electromagnetic waves, photons of which electromagnetic radiations carry the lowest energy?
A) Radio waves B) Visible light C) Ultraviolet D) Gamma rays