Question

2.
The length of two rods, l, and b, are (3.0 + 0.2) cm and (2.0 + 0.1) cm
respectively. The difference in their length is reported as
[1]
(a) (1.0 + 0.3) cm
(b) (1.0 + 0.1) cm
(c) (1.0+ 0.2) cm
(d) (1.0 0.0) cm​

Answer 1

Answer:

(1.0+0.3)

Explanation:

L¹=(3.0+0.2)

L²=(2.0+0.1)

(L¹-L²)= (3.0-2.0) +-(0.2+0.1)

= (1.0+-0.3)cm