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QNEET-2016-Ph-1094: NEET 2016 Physics - Class 11 NEET-2016-Ph-1094 Solution: An air column closed at one end open at the other resonates…
An air column closed at one end open at the other resonates with a tuning fork when the smallest length of the column is 50 cm. The next larger length of the column resonating with the same tuning fork is 150 cm 200 cm 66.7 cm 100 cm
Multiple Choice Options
- A 150 cm
- B 200 cm
- C 66.7 cm
- D 100 cm
Step-by-Step Verified Solution
From figure,
First harmonic is obtained at
l = _ 4 = 50 c m
Third harmonic is obtained for resonance,
l _ = 3 _ 4 = 3 _ 50 = 150 c m