Studies of solar vibrations have revealed that
A) the Sun vibrates only on the surface.
B) neutrinos from the solar core reach the solar surface easily.
C) the Sun generates energy by nuclear fusion.
D) they are caused by processes similar to those that create earthquakes.
E) our mathematical models of the solar interior are fairly accurate.
E
You might also like to view...
Pressure: When a box rests on a round sheet of wood on the ground, it exerts an average pressure p on the wood. If the wood is replaced by a sheet that has half the diameter of the original piece, what is the new average pressure?
A. 4p
B. 2p
C. p
D. p/2
E. p/4
General Relativity: Suppose a 70-kg student were to be compressed to form a black hole. What would be the Schwarzschild radius of this black hole? (G = 6.67 × 10-11 N ? m2/kg2, c = 3.0 × 108 m/s)
Fill in the blank(s) with the appropriate word(s).
Which of the following has the shortest wavelength?
a) Visible light b) Gamma Ray c) Ultraviolet d) Radiowaves
Given that the speed of an electron in the ground state of hydrogen is 2190 km/s, what is the speed of an electron in the n = 4 orbit of hydrogen?
A) 547 km/s B) 31,000 km/s C) 139 km/s D) 178 km/s E) 2180 km/s