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A light pointer fixed to one prong of a tuning fork touches a vertical plate. the fork is set vibrating at a frequency of 56 Hz and allowed to free fall . how many complete oscillatons are counted when platye falls at10 cm.
Dear Mukesh t = (2*0.1)/9.8t = (1/7) sec Frequency is 56 Hz. Which means in 1 sec it makes 56 vibrations.Hence in 1/7 sec it will make = 56/7 = 8 counts RegardsArun(askIITians forum expert)
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