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2019 MHT-CET PCM SET - 02 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CET2019 MHT-CET PCM SET - 021 Mark
MCQ
A stretched string fixed at both ends has 'rrl nodes, then the length of the string will be ______.
  • A
    $\frac{( m +1) \lambda}{2}$
  • ✓
    $(m-1) \frac{\lambda}{2}$
  • C
    $(m-2) \frac{\lambda}{2}$
  • D
    $\frac{ m \lambda}{2}$
✓

Answer

Correct option: B.
$(m-1) \frac{\lambda}{2}$
B

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