Home Physics Wave Optics Mix A lamp emits monochromatic green light unifo…
Physics Wave Optics Mix MCQ (Single Correct)

A lamp emits monochromatic green light uniformly in all directions. The lamp is 3% efficient in converting electrical power to electromagnetic waves and consumes 100 W of power. The amplitude of the electric field associated with the electromagnetic radiation at a distance of 10 m from the lamp will be

A
1.34 V / m
B
2.68 V / m
C
5.36 V / m
D
9.37 V / m

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Text Solution

Verified by Experts
The correct answer is:
A

⇒ ⇒

= 1.34 V/m

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