MCQOPTIONS
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| 1. |
In the experiment to determine the speed of sound using a resonance column,________. |
| A. | prongs of the tuning fork are kept in a vertical plane |
| B. | prongs of the tuning fork are kept in a horizontal plane |
| C. | in one of the two resonances observed, the length of the resonating air column is close to the wavelength of sound in air |
| D. | in one of the two resonances observed, the length of the resonating air column is close to half of the wavelength of sound in air |
| Answer» B. prongs of the tuning fork are kept in a horizontal plane | |