Question

A certain physical quantity P can be calculated using
the relation
P.
where a, b and care some
c5
physical quantities with 1%, 0.5% and 2.5% as
maximum errors in their respective measurements.
The maximum percentage error in computation of P is ​

Answer 1

Answer:

P=

C

−4

D

3/2

A

3

B

1/2

⇒

P

ΔP

=

A

3ΔA

+

2

1

B

ΔB

+

C

4ΔC

+

2

3

D

Δ

Δ

.

∴

C brings max % error in P.