A) \[1.35\,\,\pm \,\,1.48%\]
B) \[1.35\,\,\pm \,\,0%\]
C) \[1.36\,\,\pm \,\,6%\]
D) \[1.36\,\,\pm \,\,0%\]
Correct Answer: A
Solution :
[a] The mean value of refractive index, \[\mu =\frac{1.34+1.38+1.32+1.36}{4}1.35\] and \[\Delta \mu =\frac{|(1.35-1.34)|+|(1.35-1.38)|+|(1.35-1.32)|+|(1.35-1.36)|}{4}\]\[=0.02\] Thus \[\frac{\Delta \mu }{\mu }\times 100=\frac{0.02}{1.35}\times 100=1.48\]
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