The following waveform has been measured at a sweep time of t = 50 ?s/cm ± 2%. (7.4 ± 0.1) cm The frequency is Select one: a. (2703 ± 65) Hz b. (270 ± 9) Hz c. (300 ± 5) Hz d. (2.70 ± 51) kHz
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Given: Each cycle is 7.4 ± 0.1 cm. Time period (T) = 7.4 cm = 7.4 x 10^-2 m Time period (T) = 7.4 x 10^-2 m / speed of light Time period (T) = 7.4 x 10^-2 m / 3 x 10^8 m/s Time period (T) = 2.47 x 10^-10 s ** Show more…
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