A student produces an interference pattern using a double slit with a distance d0 between slits. The next day, he must produce an interference pattern with the same fringe spacing, but the only room available is half the length of the room from the previous day. To accomplish this, he will need a double slit with d equal to
1. d0/2
2. d0
3. 2d0
4.none of these choices—the interference pattern can’t be recreated in a different room.
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Energy Conservation With Conservative Forces: A bead is moving with a speed of 20 m/s at position A on the track shown in the figure. This track is friction-free, and there is no appreciable air resistance. What is the speed of the bead at point C?
A. 0 m/s B. 34 m/s C. 69 m/s D. 20 m/s E. We cannot solve this problem without knowing the mass of the bead.
Which is not a fundamental particle?
A) photon B) nucleus C) lepton D) up quark E) electron
300-nm light has a lower frequency than 500-nm light
a. True b. False Indicate whether the statement is true or false
What is the evidence that suggests planetary systems are common in the universe?
What will be an ideal response?