Question

In an experiment the refractive index of glass was observed to be 1.45 , 1.56 , 1.54 , 1.44 , 1.54 , and 1.53. Calculate (a). Mean value of refractive index (b). Mean absolute error ( c ) Fractional error (d) Percentage error (e) Express the result in terms of absolute error and percentage error

Answer 1

Answer:

In an experiment, the values of refractive indices of glass were found to be 1.54,1.53,1.44,1.54,1.561.54,1.53,1.44,1.54,1.56 and 1.451.45 in successive measurements (i) mean value of refreactive index of glass (ii) mean absolute error (iii) relative error and (iv) percentage error are respectively.

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