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11th Class Physics Quiz Question.

http://interviewquestionsanswers.org/quiz/11th-Class http://interviewquestionsanswers.org/qu … ss-Physics

Question:
In any measurement, the number of significant figures is equal to the number of accurately known digits and the

Option A):
none, of them
Option B):
second dOubtful digit
Option C):
first doubtful digit
Option D):
third doubtful digit

Correct Answer is Option C):
first doubtful digit