Question

Q.51
The least count of stop watch is 0.10sec The time of 20 vibrations of pendulum is 40sec, The maximum
possible percentage uncertainty in time period is
A) 0.016
B) 0.25
C) 0.001
D) 0.005

Answer 1

Answer:

percentage uncertainty=least count÷number of vibrations

so, 0.10÷20=.005