Which particle was the last to be discovered?
a. electron
b. neutrino
c. neutron
d. proton
b
You might also like to view...
What is formed when an atom loses or gains an electron?
a. a new element b. ion c. molecule d. bond e. isotope
What is the ratio of the power levels of two sounds with intensity levels of 40. dB and 70. dB?
What will be an ideal response?
Time Dilation: Observer A sees a pendulum oscillating back and forth in a relativistic rocket and measures its period to be TA. Observer B moves along with the rocket and measures the period of the pendulum to be TB. What is true about these two time measurements?
A. TA > TB B. TA = TB C. TA < TB D. TA could be greater or smaller than TB depending on the direction of the motion.
In a collision between two unequal masses, how does the impulse imparted to the smaller mass by the larger mass compare with the impulse imparted to the larger mass by the smaller one?
A) It is larger. B) It is smaller. C) They are equal. D) The answer depends on the ratio of the masses. E) The answer depends on how fast they are moving.