Question:
The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed organ pipe. If the length of the closed organ pipe is 20 cm, the length of the open organ pipe is
The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed organ pipe. If the length of the closed organ pipe is 20 cm, the length of the open organ pipe is
Updated On: Apr 24, 2026
- 13.2cm
- 12.5cm
- 8cm
- 16cm
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
The correct option is (C): 8cm
Was this answer helpful?
0
0
Top NEET Physics Questions
- A coil of inductive reactance $31\, \Omega$ has a resistance of 8 $\Omega$. It is placed in series with a condenser of capacitative reactance $25 \,\Omega$. The combination is connected to an a.c. source of 110 V. The power factor of the circuit is :-
- A car starts from rest and accelerates at $5\, m / s ^{2}$ At $t=4\, s$, a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at $t =6\, s$ ? (Take $\left. g =10\, m / s ^{2}\right)$
- In an a.c. circuit with phase voltage V and current I, the power dissipated is
- A bubble in glass slab $ (\mu = 1.5) $ when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is
- A bulb is located on a wall. Its image is to be obtained on a parallel wall with the help of convex lens. If the distance between parallel walls is 'd' then required focal length of lens placed in between the walls is : -
View More Questions
Top NEET simple harmonic motion Questions
- The displacement of a particle along the $x$ axis is given by $ x = a \sin^2 \omega t $. The motion of the particle corresponds to
- The displacement of a particle executing simple harmonic motion is given by $y =A_{0}+ A\, sin\,wt + B\, cos\,wt$ Then the amplitude of its oscillation is given by:
- Two identical piano wires, kept under the same tension $T$ have a fundamental frequency of $600 \,Hz$. The fractional increase in the tension of one of the wires which will lead to occurrence of $6 $ beat's when both the wires oscillate together would be
- Two simple harmonic motions of angular frequency 100 and 1000 rad $s^1$ have the same displacement amplitude. The ratio of their maximum acceleration is
- Identify the function which represents a periodic motion
View More Questions
Top NEET Questions
- In spite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?
- A coil of inductive reactance $31\, \Omega$ has a resistance of 8 $\Omega$. It is placed in series with a condenser of capacitative reactance $25 \,\Omega$. The combination is connected to an a.c. source of 110 V. The power factor of the circuit is :-
- A car starts from rest and accelerates at $5\, m / s ^{2}$ At $t=4\, s$, a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at $t =6\, s$ ? (Take $\left. g =10\, m / s ^{2}\right)$
- A liquid compound (x) can be purified by steam distillation only if it is
- In an a.c. circuit with phase voltage V and current I, the power dissipated is
View More Questions