A red LED emits light of 0.1 watt unifor...

A red LED emits light of 0.1 watt uniformaly around it. The amplitude of the electric field of the light at a distance of 1m from the diode is

5.48 V/m

7.75 V/m

1.73 V/m

2.45 V/m

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DISHA PUBLICATION-SEMICONDUCTOR ELECTRONICS : METERIALS, DEVICES AND SIMPLE CIRCUITS-EXERCISE -2: CONCEPT APPLICATOR

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