JEE Mains Model Paper 13

Question : 29 of 90

Marks: +1, -0

In the experiment to determine the speed of sound using a resonance column

prongs of the tuning fork are kept in a vertical plane
prongs of the tuning fork are kept in a horizontal plane
in one of the two resonances observed, the length of the resonating air column is close tothe wavelength of sound in air
in one of the two resonances observed, the length of the resonating air column is close tohalf of the wavelength of sound in air.

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