As the speed of a particle approaches the speed of light, the mass of the particle
A) increases.
B) decreases.
C) remains the same.
D) approaches zero.
E) approaches infinity.
Question 2Heisenberg is especially noted for his
A) wave equation.
B) improved periodic table.
C) dirigible.
D) uncertainty principle.
E) photoelectric theory.
Question 3A man 190. cm tall stands 25. m from a plane wall mirror. One meter in front of him sits his dog, 30. cm tall. What minimum mirror size is needed for the man to see all of his dog's reflection?
What will be an ideal response?
Question 4The Declaration of Principles Concerning Activities Following the Detection of Extraterrestrial Intelligence states that the first thing to do after the detection of a possible signal is to
A) send a reply
B) announce the discovery to the public
C) confirm that it is genuine
D) classify it top secret
Question 5A parallel light beam containing two wavelengths, 480. nm and 700. nm, strikes a plain piece of glass at an angle of incidence of 60. The index of refraction of the glass is 1.4830 at 480. nm and 1.4760 at 700. nm.
Determine the angle between the two beams in the glass.
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