1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
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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
$$1: 2$$
2
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
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

If the initial tension on a stretched string is doubled, then the ratio of the initial and final speeds of a transverse wave along the string is

A
1 : 1
B
$$\sqrt2$$ : 1
C
1 : $$\sqrt2$$
D
1 : 2
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
In a guitar, two strings A and B made of same material are slightly out of tune and produce beats of frequency 6 Hz. When tension in B is slightly decreased, the beat frequency of A is 530 Hz, the original freqnency of B will be :
A
524 Hz
B
536 Hz
C
537 Hz
D
523 Hz
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