Metal objects reflect not only visible light but also radio waves. This is because at the surface of a metal, (i) the electric-field component parallel to the surface must be zero; (ii) the electric-field component perpendicular to the surface must be zero; (iii) the magnetic-field component parallel to the surface must be zero; (iv) the magnetic-field component perpendicular to the surface must be zero; (v) more than one of these.
Metal objects reflect not only visible light but also radio waves. This is because at the surface of a metal, (i) the electric-field component parallel to the surface must be zero; (ii) the electric-field component perpendicular to the surface must be zero; (iii) the magnetic-field component parallel to the surface must be zero; (iv) the magnetic-field component perpendicular to the surface must be zero; (v) more than one of these.
Chapter16: Electromagnetic Waves
Section: Chapter Questions
Problem 83P: A radio transmitter broadcasts plane electromagnetic waves whose maximum electric field at a...
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Metal objects reflect not only visible light
but also radio waves. This is because at
the surface of a metal, (i) the electric-field
component parallel to the surface must be
zero; (ii) the electric-field component perpendicular
to the surface must be zero; (iii) the
magnetic-field component parallel to the
surface
must be zero; (iv) the magnetic-field
component perpendicular to the surface must
be zero; (v) more than one of these.
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