In video 1 for Chapter 17, how does the fringe spacing change when the distance between the slits, d, is increased?
A. The fringes get farther apart.
B. The fringe spacing stays the same.
C. The fringes get closer together.
D. It depends on how wide the slits are.
Ans: C. The fringes get closer together.
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When did Copernicus live?
A) about 500 years ago B) about 1000 years ago C) about 2000 years ago D) about 100 years ago E) about 5000 years ago
According to the atomic materialist philosophy, certain things are regarded as "real" and other things as merely "imaginary." Which of the following is [or are] regarded by this philosophy as real?
A) human emotions B) directly observable phenomena such as color and warmth C) atoms D) Both answers A and B are correct. E) None of the above are regarded as real by the atomic materialist philosophy.
The circuit below contains three 100-watt light bulbs and a capacitor. The emf ? = 110V. The capacitor is fully charged. Which light bulb(s) is(are) dimmest?
a.
A
b.
B
c.
C
d.
A and B
e.
All three are equally bright (or dim).
Recent experiments suggest that the lifetime of the proton is over 1033 years, more than what is predicted by the simplest grand unified theories
Indicate whether the statement is true or false