What are the wavelengths of electromagnetic wave in free space that have the following frequencies?
(a) 5.00 ✕ 1019 Hz
pm
(b) 7.50 ✕ 109 Hz
cm
a) wavelength = speed of light / frequency
= c/f
= 3*10^8 / 5*10^19
= 0.6*10^-11 F
= 6 pm
(b) wavelength = 3*10^8 / 7.5*10^9
= 0.04 m = 4 cm
What are the wavelengths of electromagnetic wave in free space that have the following frequencies? (a)...
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