Monochromatic coherent light shines through a pair of slits. If the wavelength of the light is decreased, which of the following statements are true of the resulting interference pattern? (There could be more than one correct choice.)
A) The distance between the minima stays the same.
B) The distance between the maxima decreases.
C) The distance between the maxima stays the same.
D) The distance between the minima decreases.
E) The distance between the minima increases.
B, D
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(e) A particle of mass 2m at rest decays to two identical particles each of mass m that move in opposite directions away from the decay position at a speed of 0.5.
A. C B. F
What is the primary reason why a Pluto flyby mission would be cheaper than a Pluto orbiter?
A) The flyby can use less expensive cameras than the orbiter. B) The flyby is easier to design than the orbiter. C) The fuel needed for an orbiter to slow down when it reaches Pluto is very expensive in and of itself. D) The fuel needed for an orbiter to slow down when it reaches Pluto adds a lot of weight to the spacecraft. E) The question is incorrect; in general, orbiters are cheaper than flybys.
A chunk of metal has a mass of 1 kg on Earth. If the same chunk were on the Moon its mass would be
A) less. B) the same. C) more.
Most of our detailed knowledge of the jovian planets comes from the Hubble Space Telescope
Indicate whether the statement is true or false