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JEE Main 2002
Exam
JEE Main
Year
2002
Subject
Physics
Chapter
Waves and Sound

JEE Main 2002 · Physics · Waves and Sound

Length of a string tied to two rigid supports is 40 ~cm . Maximum...

Length of a string tied to two rigid supports is 40 cm40 \mathrm{~cm}. Maximum length (wave length in cm\mathrm{cm} ) of a stationary wave produced on it is

Options

  1. A20
  2. B80
  3. C40
  4. D120

Correct answer

B. 80

Step-by-step solution

λmax⁡/2=40⇒λmax⁡=80\lambda_{\max } / 2=40 \Rightarrow \lambda_{\max }=80
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