In contrast to the plum-pudding model of the atom, Rutherford's model:
a. was first to explain atoms emitting discrete frequencies.
b. had the positive charge concentrated in a small region.
c. eliminated radiation from accelerating charges.
d. had the positive charge spread uniformly through the atom.
B
You might also like to view...
A spaceship, moving away from the Earth at a speed of 0.9c, shines a green laser backwards at Earth. An observer on Earth would see the light arriving at a speed of
A. c but at a smaller frequency. B. more than c but less than 1.9c. C. 1.9c and with a shorter wavelength. D. c but at a shorter wavelength. E. 0.1c and with an inverted frequency.
A player hits a ball with a bat. If one part of the interaction is the bat against the ball, the other part is the
A) air resistance on the ball. B) weight of the ball. C) ball against the bat. D) grip of the player's hand against the ball. E) none of the above
An assumption that Earth processes occurring today have always occurred is called
A) the principle of superposition. B) uniformitarianism. C) the principle of original horizontality. D) theory of unconformity.
Raising the current through a resistor from 8.50 A to 11.3 A increases the power by
A. 33.0%. B. 77.0%. C. 113%. D. 157%. E. 0% (no change).