Question

a physical quantity x is calculated as x=ab2/c2 calculate the maximum percentage error in measuring a b c are 4%,2%,14% respectively​

Answer 1

Explanation:

Correct option is

D

9.5%

x=ab

2

c

−1/2

We know from rules of propagation of error.

x

Δx

=

a

Δa

+

b

2Δb

+

2

1

c

Δc

⇒

x

Δx

=4+2×2+

2

1

×3=8+1.5=9.5%