Q.
The mass and volume of a body are 4.237 g and 2.5 cm3 , respectively. The density of the material of the body in correct significant figures is [NCERT Exemplar)
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a
1.6048 g cm-3
b
1.69 g cm-3
c
1.7 g cm-3
d
1.695 g cm-3
answer is C.
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Detailed Solution
In this question, density should have two significant figures.Density =4.237 g2.5 cm3=1.6948gcm-3On rounding off the number, we getDensity = 1. 7 g cm-3
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