NEET2016Physics-Waves
NEET 2016 Physics Sound Waves MCQ Question
Type: MCQ-numerical-Medium-Class 11
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 50 cm. The next larger length of the column resonating with the same tuning fork is
A
150 cm
B
200 cm
C
66.7 cm
D
100 cm
Correct Answer
Option A
Detailed Explanation
For a closed pipe, the resonant lengths are odd multiples of λ/4. The next length is 3λ/4, which is 150 cm.
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