Question

T. Your laboratory partner was given
the task of measuring the length of
a box (approx 5 in) as accurately as
possible, using a metre stick graduated
in milimeters. He supplied you with the
following measurements:
12.65 cm, 12.6 cm, 12.65 cm, 12.655 cm,
126.55 mm, 12 cm.
a. State which of the measurements you
would accept, giving the reason.
(Ans.: 12.6 cm)
b. Give your reason for rejecting each of
the others.(note:-please give explanation to the answer)​

Answer 1

Answer:

12.6cm is the correct answer for this question

Answer 2

A. The  value of the measurement that I will consider is equal to 12.6cm.

option two.

Explanation:

• a metre scale is usually used to measure the length of an object. The metre scale is uniform the calibrated. The least count of the metre scale is equal to 1 millimetre or 0.1 CM.

• as a result of this any value which is smaller or more sensitive than this cannot be measured using a metre scale. Hence the smallest change in the value that can be measured by using a metre stick is 12.6 aur 1 decimal places. More number of decimal places cannot be accurately be counted on a metre scale hence they are rejected from the counting.

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Hello!! A uniform meter scale is in equilibrium as shown in the ..

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