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NEET 2016
Exam
NEET
Year
2016
Subject
Physics
Chapter
Waves and Sound

NEET 2016 · Physics · Waves and Sound

An air column, closed at one end and open at the other, resonates...

An air column, closed at one end and open at the other, resonates with a tuning fork when the smallest length of the column is 50cm50\text{cm}. The next larger length of the column resonating with the same tuning fork is:

Options

  1. A66.7cm66.7\text{cm}
  2. B100cm100\text{cm}
  3. C150cm150\text{cm}
  4. D200cm200\text{cm}

Correct answer

C. 150cm150\text{cm}

Step-by-step solution

First minimum resonating length for closed organ pipe =λ4=50cm= \dfrac{\lambda}{4} = 50cm

∴∴ Next larger length of air column =3λ4=150cm= \dfrac{3\lambda}{4} = 150cm
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