The intensity of an electromagnetic wave is 10 W/m 2 . What will the intensity be if: a. The amplitude of the electric field is doubled? b. The amplitude of the magnetic field is doubled? c. The amplitudes of both the electric and the magnetic fields are doubled? d. The frequency is doubled?
Chapter 31, CONCEPTUAL QUESTIONS #8
The intensity of an electromagnetic wave is 10 W/m2. What will the intensity be if:
a. The amplitude of the electric field is doubled?
b. The amplitude of the magnetic field is doubled?
c. The amplitudes of both the electric and the magnetic fields are doubled?
d. The frequency is doubled?
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Physics for Scientists and Engineers A Strategic Approach with Modern Physics
4th edition
Authors: Randall D. Knight
ISBN: 978-0133942651