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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
Related Questions: - For adiabatic process,which is correct
- DDT is prepared by reacting chlorobenzen with
- Which is purified by steam distillation
- The reaction of chloroform with ethylamine in alcoholic alkali gives
- Two possible stereo-structures of CH₃CHOHCOOH, Which are optically active are called
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
- For adiabatic process,which is correct
- DDT is prepared by reacting chlorobenzen with
- Which is purified by steam distillation
- The reaction of chloroform with ethylamine in alcoholic alkali gives
- Two possible stereo-structures of CH₃CHOHCOOH, Which are optically active are called
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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