Question: (Multiple choice) (1) Which waves have greater frequencies, light waves or X rays? (2) Are the frequencies of ultraviolet radiation greater or less than those

(Multiple choice)

(1)

Which waves have greater frequencies, light waves or X rays?


(2)

Are the frequencies of ultraviolet radiation greater or less than those of infrared radiation?


(3) True or false:

(a) Maxwell's equations apply only to fields that are constant over time.

(b) The wave equation can be derived from Maxwell's equations.

(c) Electromagnetic waves are transverse waves.

(d) In an electromagnetic wave in free space, the electric and magnetic fields are in phase.

(e) In an electromagnetic wave in free space, the electric and magnetic field vectors E and B are equal in magnitude.

(f) In an electromagnetic wave in free space, the electric and magnetic energy densities are equal.

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