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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
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Subject: Chemistry
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is not a Common component of photochemical smog
- In a closed insulated container a liquid is stirred with a paddle to increase
- The rapid change of pH near the stoichiometric point of an acid-base titration
- Which of the following isomeric alcohols react fastest with HCL
- Radius ratio of an ionic compound is 0.93. The structure of the above
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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