Standing Waves MCQs

Practice Standing Waves MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Electromagnetic TheoryStanding Waves

A standing wave is produced by the superposition of?

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Correct Answer: A. Incident and reflected waves traveling in opposite directions

Explanation: Interference between forward and reflected waves of the same frequency creates a standing-wave pattern.

Reference: Standard electromagnetic theory: standing waves

Question 2

Electromagnetic TheoryStanding Waves

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Correct Answer: A. (1+|Gamma|)/(1-|Gamma|)

Explanation: VSWR is the ratio of maximum to minimum field amplitude and equals (1+|Γ|)/(1-|Γ|).

Reference: Standard electromagnetic theory: standing waves

Question 3

Electromagnetic TheoryStanding Waves

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Correct Answer: C. 3

Explanation: VSWR=(1+0.5)/(1-0.5)=1.5/0.5=3.

Reference: Standard electromagnetic theory: standing waves

Question 4

Electromagnetic TheoryStanding Waves

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Correct Answer: A. Perfect matching with no reflection

Explanation: VSWR=1 occurs only when |Γ|=0, corresponding to a matched condition.

Reference: Standard electromagnetic theory: standing waves