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Physics Mcqs

Total uncertainty, in the result obtained from the subtraction of two measurements, is equal to_______________?

Total uncertainty, in the result obtained from the subtraction of two measurements, is equal to_______________?

A. Sum of their absolute uncertainties
B. The difference of their absolute uncertainties
C. The product of their absolute uncertainties
D. Division of their absolute uncertainties

Total uncertainty, in the result obtained from the subtraction of two measurements, is equal to_______________? Read More »

Measurements, Physics Mcqs

Three students measured the length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is a correct record ?

Three students measured the length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is a correct record ?

A. Only (i)
B. Only (ii)
C. Only (iii)
D. Both (i) and (ii)

Three students measured the length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is a correct record ? Read More »

Measurements, Physics Mcqs