A Monochromatic Point Like Light Source Emits Electromagnetic Power Uniformly

question 31

Multiple Choice

A monochromatic point like light source emits electromagnetic power uniformly in all directions.The Poynting vector in a point situated at 0.500 m from the source is 0.375 W/m².The power of the source is

• A)1.00 W.
• B)1.18 W.
• C)1.29 W.
• D)1.32 W.
• E)1.45 W.

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Definitions:

Unequivocal

Clear and unambiguous, leaving no room for doubt or confusion.

Reasonable, Lawful

Actions or decisions that are made with rational justification and comply with established laws.

Legal Framework

The structure of laws, regulations, and rules that govern a particular area or activity.

Reasonably Assured Expectations

The anticipation of benefits or rights that a reasonable person would consider as likely to happen under a contractual agreement.