If you were in a spaceship traveling at a speed close to the speed of light (with respect to earth) you would notice that
A) some of your physical dimensions were smaller than normal.
B) your mass is different than normal.
C) your pulse rate is different than normal.
D) None of these effects occur.
E) More than one of these effects occur.
D
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The amount of light reflected from the front surface of a common windowpane is about
A) 4%. B) 8%. C) 40%. D) 92%. E) 96%.
A ________ is a place where the current rules fall apart in science
Fill in the blank(s) with correct word
When a hydrogen atom absorbs a photon that raises it to the n = 5 state, how many different energies are possible for the photon(s) that may be emitted as the atom eventually returns to the ground state?
a. 5 c. 4 b. 3 d. The correct value is not given.
If the strength of the magnetic field applied to a loop of wire is doubled, what happens to the induced emf in that loop assuming all the other parameters remain unchanged?
A) It stays the same. B) It is doubled. C) It is tripled. D) It is quadrupled. E) It is reduced by a factor of 2.