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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
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Difficulty Level: Easy
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Carbon atom in C₂(CN)₄ are
- Among the following pairs of ions, the lower oxidation state in aqueous solution
- For a reversible reaction, if we increase concentration of the reactants,
- Which among the following does not have the hydrogen bond
- An atom has electronic configuration 1s²2s²2p⁶3s²3p⁶3d³4s², you will place it in
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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