Physics And Measurement Question 185
Question: A physical quantity is given by $ X=M^{a}L^{b}T^{c} $ . The percentage error in measurement of $ M,L $ and T are $ \alpha ,\beta $ and $ \gamma $ respectively. Then maximum percentage error in the quantity X is
[Orissa JEE 2005]
Options:
A) $ a\alpha +b\beta +c\gamma $
B) $ a\alpha +b\beta -c\gamma $
C) $ \frac{a}{\alpha }+\frac{b}{\beta }+\frac{c}{\gamma } $
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
Percentage error in X $ =a\alpha +b\beta +c\gamma $
