Frequency and amplitude are independent of each other.
Answer the following statement(s) true (T) or false (F)
Ans: True
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In the hypothetical atomic interaction shown in figure C9.13, assume that initially the atoms have a total energy of 3 × 10-21 J at r = 0.1 nm. These atoms are
A. Unbound (they will separate to infinity).
B. Bound (they will not separate to infinity).
C. The answer depends on whether the atoms are initially moving toward or away from each other.
After a supernova event, what is left behind?
A) always a white dwarf B) always a neutron star C) always a black hole D) either a white dwarf or a neutron star E) either a neutron star or a black hole
State the two laws of thermal radiation
What will be an ideal response?
If you were to come back to Earth in 150 million year's time, what would a map of the planet look like compared to today?
A) so completely different that none of our current continents would be recognizable B) only slightly different because plate motion is extremely slow C) exactly the same because plate tectonics is no longer occurring D) quite different because plate tectonics would have caused a shift in the position of the continents