A vertically polarized beam of light of intensity 100 W/m2 passes through a polarizer with its transmission axis at 40.0° to the vertical. What is the transmitted intensity of this beam of light?
A) 100 W/m2
B) 0 W/m2
C) 25.0 W/m2
D) 44.4 W/m2
E) 58.7 W/m2
E
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The ________ occurs when a rapidly rotating conductor is stirred by convection to produce a magnetic field
a. dynamo effect b. Zeeman effect c. Babcock effect d. proton-proton chain e. aurora
The source of Earth's internal energy involves
A) kinetic energy. B) potential energy. C) radioactivity. D) the Sun.
Exhibit 16-1
A graph of position versus time for an object oscillating at the free end of a horizontal spring is shown below.
?
?
Use this exhibit to answer the following question(s).
Refer to . The point at which the object has zero velocity and positive acceleration is
a.
A
b.
B
c.
C
d.
D
e.
E
Pumped storage facilities ________
a. increase the overall efficiency of a power plant b. make use of the output of electricity from photovoltaic cells c. are used to produce electricity mainly at night d. have an increase in their potential energy mainly at night e. cannot be used with a nuclear plant