Skip to main content
Back to UNITS & MEASUREMENTS

JEE PHYSICS MCQ: UNITS & MEASUREMENTS

1 Easy
1 of 1
Application +4 | -1
A physical quantity QQ is calculated according to the expression

Q=A3B3CDQ=\frac{A^3 B^3}{C \sqrt{D}}

If percentage errors in A,B,C,DA, B, C, D are 2%,1%,3%2 \%, 1 \%, 3 \% and 4%4 \%, respectively. What is the percentage error in QQ ?
View answer and explanation
Correct option: C
±14%\pm 14 \%
Option C (±14%\pm 14 \%) is correct because it is the result of summing the weighted percentage errors of each variable in the given expression.

More Questions from UNITS & MEASUREMENTS

Practice All Chapter MCQs →
Type at least 2 characters or jump directly:
🔓

Save your learning progress

Sign in with a free account to save your practice answers and quiz results, then return to them when you revise.