2. Questions Bank
  3. 11th Class
  4. Physics
  5. Physical World / भौतिक जगत

11th Class Physics Physical World / भौतिक जगत Question Bank 11th CBSE Physics Mathematical Tools, Units & Dimensions

  • question_answer
    \[\text{m}=\text{1}0.\text{23 kg}\] A research worker takes 100 observations in an experiment If he repeats the same experiment by taking 500 observations, how is the probable error affected?

    Answer:

                    Probable error reduces to (1/5)th as number of observations is made 5 times.                


You need to login to perform this action.
You will be redirected in 3 sec spinner