The time taken to complete 10 oscillation by a second pendulum is
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to complete 1 oscillation a second pendulum takes 2 seconds
so, 10 oscillation = 2 ×10
= 20s
hope this answer will help you
pramodSrivastav:
option is (A) 20s (B) 50s (C) 40s(D)
5s
is the question complete
yaa
ok I will edit it and let me know if my answer is correct
by the way what is the correct answer
20 s
I think 20s
it's right n
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