Question

physical quantity x= can you say this please​

Answer 1

Answer:

12%

Explanation:

Given : X=

m

n

2k

3

l

2

∴

X

△X

=3

k

△k

+2

l

△l

+

m

△m

+

2

1

n

△n

Percentage error in X

X

△X

×100=(3

k

△k

+2

l

△l

+

m

△m

+

2

1

n

△n

)×100

=3×1% +2×2% +3% +

2

1

×4%

=3% +4% +3% +2% =12%

Hence, the value of X is uncertain by 12%