1. Which of the following is the currently accepted model of the atom?
(a) The plum-pudding model.
(b) The Rutherford atom.
(c) The Bohr atom.
(d) None of the above.
2. Light has all of the following except:
(a) Mass.
(b) Momentum.
(c) Kinetic energy.
(d) Frequency.
(e) Wavelength.