Weight and g: Two planets have the same surface gravity, but planet B has twice the mass of planet A. If planet A has radius r, what is the radius of planet B?
A. r/
B. r
C. r
D. 4r
E. 2r
Answer: C
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: Compare the relative reflected intensity in air from the surface of sodalime silica glass with an index of refraction of 1.51 and dense optical flint glass with and index of refraction of 1.65.
What will be an ideal response?
Aberration: Chromatic aberration in lenses is due to the
A. reflection of light by the lens. B. refraction of light by the lens. C. dispersion of light by the lens. D. polarization of light by the lens. E. None of the other choices is correct.
In general, the greater the mass of the protostar, the ________ it contracts to the main sequence
Fill in the blank(s) with correct word
An object is undergoing simple harmonic motion with frequency f = 9.7 Hz and an amplitude of 0.12 m. At t = 0.00 s the object is at x = 0.00 m. How long does it take the object to go from x = 0.00 m to x=0.048 m?
What will be an ideal response?