NEET Solved Paper 2016 Question 12
Question: 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:
Options:
A) 66.7 cm
B) 100 cm
C) 150 cm
D) 200 cm
Show Answer
Answer:
Correct Answer: C
Solution:
- First minimum resonating length for closed organ $ pipe=\frac{\lambda }{4}=50cm $
$ \therefore $ Next larger length of air column $ =\frac{3\lambda }{4}=150,cm $