Question

The diagram below shows a stick placed along a metre RULER. The length of the stick is measured keeping the eye at positions A, B, and C.

Answer 1

(a) Write the length of stick PQ as observed, for each position of the eye. Are they all same?
Ans. Length of stick PQ from
Position A =3.4 cm
Position B = 3.2cm
Position C = 3.00 cm
No, they are not the same.
(b) Which is the correct position of the eye? Write the correct length of the stick.
Ans. ‘B’ is the correct position of the eye. Correct length of the stick PQ = 3.2cm