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JEE Main 201325 AprilOnline
Exam
JEE Main
Year
2013
Date
25 April
Mode
Online
Subject
Physics
Chapter
Waves and Sound

JEE Main 2013 · 25 April · Online · Physics · Waves and Sound

In a transverse wave the distance between a crest and neighbouring...

In a transverse wave the distance between a crest and neighbouring trough at the same instant is 4.0 cm4.0 \mathrm{~cm} and the distance between a crest and trough at the same place is 1.0 cm1.0 \mathrm{~cm}. The next crest appears at the same place after a time interval of 0.4 s0.4 \mathrm{~s}. The maximum speed of the vibrating particles in the medium is:

Options

  1. A3π2 cm/s\frac{3 \pi}{2} \mathrm{~cm} / \mathrm{s}
  2. B5π2 cm/s\frac{5 \pi}{2} \mathrm{~cm} / \mathrm{s}
  3. Cπ2 cm/s\frac{\pi}{2} \mathrm{~cm} / \mathrm{s}
  4. D2 π cm/s2 ~\pi \mathrm{~cm} / \mathrm{s}

Correct answer

B. 5π2 cm/s\frac{5 \pi}{2} \mathrm{~cm} / \mathrm{s}

Step-by-step solution

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