Multiple Choice
Field intensity: The magnetic field of an electromagnetic wave has a peak value of 5.0 × 10-10 T. What is the intensity of the wave? (c = 3.0 × 108 m/s, c = 3.00 × 108 m/s, μ0 = 4π × 10-7 T ∙ m/A, ε0 = 8.85 × 10-12 C2/N ∙ m2)
A) 1.0 × 10-13 W/m2
B) 1.5 × 10-5 W/m2
C) 3.0 × 10-5 W/m2
D) 2.0 × 10-13 W/m2
E) 7.5 × 105 W/m2
Correct Answer:

Verified
Correct Answer:
Verified
Q20: Field intensity: An 800-kHz radio signal is
Q21: Radiation pressure: A radiometer has two square
Q22: Field intensity: An 800-kHz radio signal is
Q23: Electromagnetic waves: The y component of the
Q24: Field intensity: If the intensity of an
Q26: Poynting vector: A planar electromagnetic wave is
Q27: Radiation pressure: A laser beam has a
Q28: Electromagnetic waves: If the magnetic field of
Q29: Field intensity: A very small source of
Q30: Electromagnetic waves: An electromagnetic wave propagates along