1. Yellow light of vacuum wavelength 589 nm travels at 1.942 x108 m/s through quartz. Quartz is a nonmagneticdielectric. Calculate its permittivity.
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2. Find the electric field amplitude of a linearly-polarizedelectromagnetic wave of intensity 12.0 GW/m2 movingthrough air without using air's permittivity. (All solutions must include the value of any metricprefixes)
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