A spin 1/2 particle that does not interact via the strong interaction is a(n)
a. lepton.
b. baryon.
c. meson.
d. intermediate (or gauge) boson.
e. hadron.
a
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A 4.00 kg object is moving at 3.00 m/s WEST. It strikes a 6.00 kg that is moving WEST at 2.00 m/s. The objects have a one-dimensional elastic collision in the EAST-WEST direction. The velocity of the 4.00 kg object after the collision is
A. 1.00 m/s WEST. B. 2.80 m/s EAST. C. 1.80 m/s WEST. D. 2.80 m/s WEST. E. 1.80 m/s EAST.
The expression(s) indicating the number of protons in a nucleus is
a. A. b. N. c. Z. d. Z + N. e. A – Z.
The de Broglie wavelength of which of the following objects would be smallest if the objects had the same velocity?
Refractor telescopes suffer from this separation of light into its component colors
A) limited diffraction B) spherical aberration C) chromatic aberration D) bad seeing E) refraction