1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

The displacement of a travelling wave $$y=C \sin \frac{2 \pi}{\lambda}$$ (at $$-x$$) where $$t$$ is time, $$x$$ is distance and $$\lambda$$ is the wavelength, all in S.I. units. Then the frequency of the wave is

A
$$\frac{2 \pi \lambda}{a}$$
B
$$\frac{2 \pi a}{\lambda}$$
C
$$\frac{\lambda}{a}$$
D
$$\frac{a}{\lambda}$$
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

The $$4^{\text {th }}$$ overtone of a closed organ pipe is same as that of $$3^{\text {rd }}$$ overtone of an open pipe. The ratio of the length of the closed pipe to the length of the open pipe is :

A
8 : 9
B
9 : 7
C
9 : 8
D
7 : 9
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The ratio of frequencies of fundamental harmonic produced by an open pipe to that of closed pipe having the same length is

A
$$2: 1$$
B
$$1: 3$$
C
$$3: 1$$
D
$$1: 2$$
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

An organ pipe filled with a gas at 27$$^\circ$$C resonates at 400 Hz in its fundamental mode. If it is filled with the same gas at 90$$^\circ$$C, the resonance frequency at the same mode will be

A
512 Hz
B
420 Hz
C
440 Hz
D
484 Hz
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