Studies of sunquakes, or helioseismology, have revealed that
A) the Sun vibrates only on the surface.
B) "sunquakes" are caused by similar processes that create earthquakes on Earth.
C) the Sun generates energy by nuclear fusion.
D) our mathematical models of the solar interior are fairly accurate.
E) neutrinos from the solar core reach the solar surface easily.
D
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Inside your apartment, you blow up a balloon as large as possible and then take it outside on a hot summer day. The balloon is most likely to then
A. shrink. B. remain the same size. C. expand and pop.
When the index of refraction of a transparent material varies with wavelength, the material exhibits
A) density variation. B) polarization. C) dispersion. D) reflection. E) total internal reflection.
How many grams of deuterium (atomic mass = 2.0141 u) must be fused to helium (atomic mass 4.0026 u) in one second to produce 3000 MJ of energy? [1 u = 1.66 × 10^?27 kg]
Except for 1H and 3He, all nuclei having fewer ______________ than ______________ are radioactive
Fill in the blank(s) with correct word