At a location that is 3.00 m from wave source A and 4.20 m from wave source B, constructive interference occurs. Source A and source B are coherent and in phase.
What is the maximum wavelength of the waves?
A)
2.40 m
B)
12.6 m
C)
0.60 m
D)
1.20 m
E)
There is no maximum wavelength.
Question 2
Four unequal resistors are connected in a parallel circuit. Which one of the following statements is correct about this circuit?
A)
The total resistance is less than the smallest resistor.
B)
The total resistance is equal to average of the four resistors.
C)
The total resistance is more than the largest resistor.
D)
The total resistance is equal to zero.
E)
None of the other answers is correct.
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