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JEE Mains · Physics · STD 11 - 1. units,dimensions and measurement

લીસ્ટ \(I\) સાથે લીસ્ટ \(II\) યોગ્ય રીતે જોડો. 
લીસ્ટ \(I\) લીસ્ટ \(II\)
\((A)\) યંગનો ગુણાંક \((Y)\) \((I)\) \(\left[ M L ^{-1} T ^{-1}\right]\)
\((B)\) શ્યાનતા ગુણાંક \((\eta)\) \((II)\) \(\left[ M L ^2 T ^{-1}\right]\)
\((C)\) પ્લાન્ક અચળાંક \((h)\) \((III)\) \(\left[ M L ^{-1} T ^{-2}\right]\)
\((D)\) કાર્ય વિધેય \((\phi)\) \((IV)\) \(\left[ M L ^2 T ^{-2}\right]\)
નીચે આપેલા વિકલ્પોમાંથી સાચો વિકલ્પ પસંદ કરો. 

  1. A \((A)-(II), (B)-(III), (C)-(IV), (D)-(I)\)
  2. B \((A)-(III), (B)-(I), (C)-(II), (D)-(IV)\)
  3. C \((A)-(I), (B)-(III), (C)-(IV), (D)-(II)\)
  4. D \((A)-(I), (B)-(II), (C)-(III), (D)-(IV)\)
Verified Solution

Answer & Solution

Correct Answer

(B) \((A)-(III), (B)-(I), (C)-(II), (D)-(IV)\)

Step-by-step Solution

Detailed explanation

\(Y =\frac{\text { Stress }}{\text { Strain }}=\frac{ F / A }{\Delta \ell / \ell}=\frac{\left[ MLT ^{-2}\right]}{\left[ L ^2\right]}=\left[ ML ^{-1} T ^{-2}\right]\) \(F =6 \pi \eta rv \Rightarrow \eta=\frac{ F }{6 \pi rv }\)…
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