The complex amplitude of the sum of an infinite number of waves with equal phase differences...

 

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The complex amplitude of the sum of an infinite number of waves with equal phase differences and amplitudes that decrease at a geometric rate with a coefficient r is: U = Show that the corresponding intensity can be written in the form: Imax I where and 1 + √To 1-reip 2F (²F) ² Imax = F sin² 10 (1-r)² πνη 1- (²) -r The complex amplitude of the sum of an infinite number of waves with equal phase differences and amplitudes that decrease at a geometric rate with a coefficient r is: U = Show that the corresponding intensity can be written in the form: Imax I where and 1 + √To 1-reip 2F (²F) ² Imax = F sin² 10 (1-r)² πνη 1- (²) -r