Question

The length and breadth of a rectangular lamina are measured to be (2.3

0.2) cm and (1.6

0.1) cm. Calculate area of the lamina with error limits.

Answer 1

Answer:

area = l × b

= 2.3 × 1.6

= 3.2

∆ A = A × ( ∆l / l + ∆ b / b)

= 3.2 × ( 0.20 / 2.3 + 0.10 / 1.6 )

= 0.55

hope it will help you.....