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The number of significant figures for the three numbers 161 cm, 0.161 cm, 0.0161 cm are
Options
(a) 3,4,5 respectively
(b) 3,4,4 respectively
(c) 3,3,4 respectively
(d) 3,3,3 respectively
Correct Answer:
3,3,3 respectively
Explanation:
We know that all non-zero digits are significant and the zeros at the beginning of a number are not significant. Therfore number 161 cm, 0.161 cm and 0.0161 cm have 3,3 and 3 significant figures respectively
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Basic Concepts of Chemistry
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The vacant space in bcc lattice unit cell is
- If a mixture of CO and N₂ in equal amount have total 1 atm pressure
- An organic compound contains 49.3% carbon,6.84% hydrogen and its vapour density
- Which of the following is not true in case of reaction with heated copper at 300
- The boiling point of 0.2 mol kg⁻¹ solution of X in water is greater than equimolal
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Basic Concepts of Chemistry (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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