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The number of modes in a waveguide having a V number of 10 is

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The number of modes in a waveguide having a V number of 10 is (a) 10 (b) 25 (c) 100 (d) 50 I got this question in class test. Query is from Transverse Electric Waves(TE) topic in division Waveguides of Electromagnetic Theory Select the correct answer from above options Electromagnetic Theory questions and answers, Electromagnetic Theory questions pdf, Electromagnetic Theory question bank, Electromagnetic Theory questions and answers pdf, mcq on Electromagnetic Theory pdf,electromagnetic theory book pdf,electromagnetic theory pdf notes,electromagnetic theory lecture notes,electromagnetic theory of light,maxwell electromagnetic theory,electromagnetic theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel

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The correct answer is (d) 50 Explanation: The number of modes is given by m = V^2/2, where V is the v number. On substituting for V = 10, we get m = 100/2 = 50.

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