Question

in the measurement of a physical quantity x = a√b/c2 . the percentage error in measurement of the quantities a, b, c are 1%, 2% and 2% respectively. then find the maximum possible percentage error in x?

please help me out ​

Answer 1

C

X=

C

1/3

D

3

A

2

B

So, fractional error in the measurement of X is:

X

ΔX

=

A

2ΔA

+

B

ΔB

+

3

1

C

ΔC

+

D

3ΔD

=(2×2)+2+(

3

1

×4)+(3×5)

(

3

1

×4⇒ Minimum error out of the four)

Hence, minimum error is contributed by C.

Answer 2

Answer:

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