Please answer #5. Use equation 26.3 to find the experimental speed of the sound.

Question

Please answer #5. Use equation 26.3 to find the experimental speed of the sound. Record this value on your data sheet. Compare the theoretical value of the speed of sound v obtained in step 1 with the experimental value found in step 7. Calculate the percentage error in your experimental value of v and record this value on your data sheet. Sketch the standing wave pattern for the fourth resonance position. (See figure 26.7 for a diagram of the first three resonance positions.) Would the resonance positions be changed if a tuning fork of different frequency were used? Why? Would the experimental value for the speed of sound be different if a tuning fork of different frequency were used? Why? Why does the speed of sound in air depend on the air temperature? Why is there more than one resonance point for a tuning fork of a given frequency?

Explanation / Answer

there can be more than one resonance point for a given frequency ,this is because of different harmonics present in the stationary waves in the string if it is clampped at both ends then all harmonics frequency which if integral multiple of fundamental frequency will be present. thus at all these frequencies resonance can exist.

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