Beta Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise (Assertion & Reason)>Q 7

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Assertion :- The average magnitude of Poynting vectors $\vec{S}$ is the intensity of electromagnetic wave.

Reason :- The Poynting vector is given by $\vec{S} = \frac{\vec{E} \times \vec{B}}{2 µ_{0}}$ .

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Important Questions on Electromagnetic Waves

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Beta Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise (Assertion & Reason)>Q 8

Assertion :- Displacement current is a fictitious current and has nothing in common with the conduction current.
Reason :- It was proposed by Maxwell only to satisfy Kirchhoff’s junction rule.

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Beta Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise (Assertion & Reason)>Q 9

Assertion : EM wave follow superposition principle.
Reason : Differential expression of EM wave is linear.

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Beta Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise (Assertion & Reason)>Q 10

Assertion :- The gyrating electron can be a source of EMW.
Reason :- The electron in circular motion is accelerated motion.