Maxwell guessed that visible light was an electromagnetic wave because of its:
a. frequency.
b. wavelength.
c. speed.
d. energy.
c
You might also like to view...
The average size of a white dwarf is about the same size as the Earth
Indicate whether the statement is true or false
A uniform cylinder of radius R, mass M, and length L rotates freely about a horizontal axis parallel and tangent to the cylinder, as shown below. The rotational inertia of the cylinder about this axis is
?
?
A.
.B.
.C.
D.
.E.
.Two inclined planes A and B have the same height but different angles of inclination with the horizontal. An object is released at rest from the top of each of the inclined planes
How does the speed of the object at the bottom of inclined plane A compare with that of the speed at the bottom of inclined plane B? A) It is directly proportional to the angle. B) It is inversely proportional to the angle. C) It is same for both planes. D) There is not enough information to answer the question.
At what speed, relative to the frame of the observer making the measurement, is the length of a meter stick 0.60 m?
A) 0.80c B) 0.60c C) 0.50c D) 0.70c E) 0.90c