Tardigrade
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Tardigrade
Question
Physics
A physicist petfornis an experiment and takes 200 readings. He repeats the same experiment and now takes 800 readings. By doing so
Q. A physicist petfornis an experiment and takes 200 readings. He repeats the same experiment and now takes 800 readings. By doing so
1795
185
Physical World, Units and Measurements
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A
the probable error remains same
20%
B
the probable error is four times
20%
C
the probable error is halved
10%
D
the probable error is reduced by a factor 1/4
50%
Solution:
Correct answer is (d) the probable error is reduced by a factor 1/4