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BITSAT 2022
Exam
BITSAT
Year
2022
Subject
Physics
Chapter
Laws of Motion

BITSAT 2022 · Physics · Laws of Motion

In the diagram shown below, both the strings A B and C D are made...

In the diagram shown below, both the strings ABA B and CDC D are made of same material and have same cross-section. The pulleys are light and fictionless. If the speed of wave in string ABA B is v1v_1 and in CDC D is v2v_2, then v1v2\frac{v_1}{v_2} is In the diagram shown below, both the strings A B and C D are made of same material and have same cross-section. The

Options

  1. A1
  2. B2\sqrt{2}
  3. C2
  4. D1/21 / \sqrt{2}

Correct answer

D. 1/21 / \sqrt{2}

Step-by-step solution

In the diagram shown below, both the strings A B and C D are made of same material and have same cross-section. The
Let the speed of wave in string be vv and tension in string be TT. v∝TvABvCD=T2T=12\begin{gathered} v \propto \sqrt{T}\\ \frac{v_{A B}}{v_{C D}}=\sqrt{\frac{T}{2 T}}=\frac{1}{\sqrt{2}} \end{gathered}
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