The number of significant figures in the numbers \(25.12,\) \(2009,\) \(4.156\) and \(1.217\times 10^{-4}\) is:
1. \(1\)
2. \(2\)
3. \(3\)
4. \(4\)

Subtopic:  Significant Figures |
 92%
From NCERT
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In which of the following, the number of significant figures is different from that in the others?
1. \(2.303~\mathrm{kg}\)
2. \(12.23~\mathrm{m}\)
3. \(0.002\times10^{5}~\mathrm{m}\)
4. \(2.001\times10^{-3}~\mathrm{kg}\) 

Subtopic:  Significant Figures |
 89%
From NCERT
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The mass and volume of a body are \(4.237~\mathrm{g}\) and \(2.5~\mathrm{cm^3}\), respectively. The density of the material of the body in correct significant figures will be:
1. \(1.6048~\mathrm{g~cm^{-3}}\)
2. \(1.69~\mathrm{g~cm^{-3}}\)
3. \(1.7~\mathrm{g~cm^{-3}}\)
4. \(1.695~\mathrm{g~cm^{-3}}\)

Subtopic:  Significant Figures |
 84%
From NCERT
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What is the number of significant figures in \(0.310\times 10^{3}\)?
1. \(2\)
2. \(3\)
3. \(4\)
4. \(6\)

Subtopic:  Significant Figures |
 78%
From NCERT
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Which of the following measurements is the most precise?

1. 5.00 mm

2. 5.00 cm

3. 5.00 m

4. 5.00 km

Subtopic:  Significant Figures |
 78%
From NCERT
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If \(97.52\) is divided by \(2.54\), the correct result in terms of significant figures is:

1. \( 38.4 \) 2. \(38.3937 \)
3. \( 38.394 \) 4. \(38.39\)
Subtopic:  Significant Figures |
 73%
From NCERT
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A thin wire has a length of \(21.7~\mathrm{cm}\) and a radius of \(0.46~\mathrm{mm}\). The volume of the wire to correct significant figures is:

1. \( 0.15 \mathrm{~cm}^3 \) 2. \( 0.1443 \mathrm{~cm}^3 \)
3. \( 0.14 \mathrm{~cm}^3 \) 4. \( 0.144 \mathrm{~cm}^3\)
Subtopic:  Significant Figures |
 65%
From NCERT
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The decimal equivalent of \(\frac{1}{20} \) up to three significant figures is:

1. \(0.0500\) 2. \(0.05000\)
3. \(0.0050\) 4. \(5.0 \times 10^{-2}\)
Subtopic:  Significant Figures |
 69%
From NCERT
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Taking into account the significant figures, what is the value of \((9.99~\mathrm{m}-0.0099~\mathrm{m})\)?

1. \(9.98\) m 2. \(9.980\) m
3. \(9.9\) m 4. \(9.9801\) m
Subtopic:  Significant Figures |
 69%
From NCERT
NEET - 2020
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The numbers \(2.745\) and \(2.735\) on rounding off to \(3\) significant figures will give respectively, 

1. \(2.75\) and \(2.74\) 2. \(2.74\) and \(2.73\)
3. \(2.75\) and \(2.73\) 4. \(2.74\) and \(2.74\)
Subtopic:  Significant Figures |
 68%
From NCERT
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