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Which of the following measurement is most precise?
Options
(a) 5.00 mm
(b) 5.00 cm
(c) 5.00 m
(d) 5.00 km
Correct Answer:
5.00 mm
Explanation:
Precision is the degree to which several measurements provide answers very close to each other. It is an indicator of the scatter in the data. The lesser the scatter, higher the precision.
Let us first check the units. In all the options magnitude is same but units of measurement are different. As here 5.00 mm has the smallest unit. All given measurements are correct up to two decimal places. However, the absolute error in (a) is 0.01 mm which is least of all the four. So it is most precise.
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Question Type: Memory
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Energy bands in solids are a consequence of
- what should be the velocity of an electron so that its momentum becomes equal
- Which gate can be obtained by shorting both the input terminals of a NOR gate?
- 40 g of Argon is heated from 40⁰C to 100⁰C (R=2 cal/mole). Heat absorbed at constant
- In an AC generator, a coil with N turns, all of the same area A and total resistance R,
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Physical World and Measurement (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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