Question

Find out possible values of fractional error of physical quantity f=x3
​

Answer 1

Answer:

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)