Total constructive interference occurs when two waves with similar frequency and wavelength
A) are completely out of phase.
B) are completely in phase.
C) have 45 degrees phase difference.
D) have 90 degrees phase difference.
E) have a phase difference of -90 degrees.
B
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A neutral hollow spherical conducting shell of inner radius 1.00 cm and outer radius 3.00 cm has a +2.00-µC point charge placed at its center. Find the surface charge density
(a) on the inner surface of the shell. (b) on the outer surface of the shell.
Describe two methods that have already been used to study extrasolar planets, and which one gives us the most information
What will be an ideal response?
A resistor is made of a material that has a resistivity that is proportional to the current going through it. If the voltage across the resistor is doubled, what happens to the current through it?
a. It doubles. b. It quadruples. c. It increases by a factor of 23/2. d. It increases by a factor of 21/2.
A large gas cloud in the interstellar medium that contains several type O and B stars would appear to us as:
A) a dark nebula. B) an emission nebula. C) bright blue. D) a reflection nebula. E) a dark patch against a bright background.