A DH surface emitter LED has an emission area diameter of 60‚âà√ – McqOptions

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1.	A DH surface emitter LED has an emission area diameter of 60‚âà√≠¬¨‚à´m. Determine emission area of sourc?#
A.	1.534*10<sup>-6</sup>
B.	5.423*10<sup>-3</sup>
C.	3.564*10<sup>-2</sup>
D.	2.826*10<sup>-9</sup>
Answer» E.

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