A student conducts a simple pendulum experiment but measures the time taken for 5 oscillation instead. Explain why this student's reading is not as accurate as the reading obtained by a student who measured the time taken for 20 oscillation.

Question

anonymous · Answer

beacuse in pendulum on increasing time speed goes on decreasing 
imagine by urself u given a force it starts oscillate but oscillates till then upto which it is more than air resistant force..as reistance force continously try to decrease the speed