|Aug19-12, 07:03 AM||#1|
Energy of incident of light to amplitude of light?
1. The problem statement, all variables and given/known data
A sheet of glass transmit 70% of the energy of the incident light
What is the value of the quantity: (Amplitude of transmitted light) / (Amplitude of incident light)
2. Relevant equations
Intensity is proportional to amplitude square.
3. The attempt at a solution
I tried relating to the above equation but i got 0.7^2/1^2=0.49 (A) but answer is not A...
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