According to Einstein's E=mc2 and the "field view of reality,"
A) atoms are entirely empty space--containing only fields.
B) an atom's mass arises from the energy of its own fields.
C) Both of the above.
D) atoms are mostly empty space, and consist of very tiny indestructible material particles that are attached to the atom by means of electromagnetic and other fields.
E) chocolate ice cream vanishes whenever you don't look at it.
C
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The solar neutrinos observed on Earth come from the hot spots in the corona
Indicate whether the statement is true or false
Which of these can feel the electric force?
A) neutrino B) Z particle C) photon D) All of the above. E) None of the above.
If a nucleus decays by alpha decay to a daughter nucleus, which of the following statements about this decay are correct? (There may be more than one correct choice.)
A) The daughter nucleus has more neutrons than the original nucleus. B) The daughter nucleus has more protons than the original nucleus. C) The daughter nucleus has fewer protons than the original nucleus. D) The daughter nucleus has the same number of nucleons as the original nucleus. E) The daughter nucleus has fewer neutrons than the original nucleus.
The objectives of two astronomical telescopes have the same focal length but one objective has double the diameter of the other. An advantage of the telescope with the larger objective is
A) its higher power. B) its greater aberration. C) its higher price. D) its brighter image. E) its lower aberration.