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Q. |
A planar LED fabricated from GaAs has a refractive index of 2.5. Compute the optical power emitted when transmission factor is 0.68. |
A. | 3.4 % |
B. | 1.23 % |
C. | 2.72 % |
D. | 3.62 % |
Answer» C. 2.72 % |
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