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Byju's Answer
Standard VII
Physics
Density
0.25 g cm -3=...
Question
0.25
g
c
m
−
3
=
–
–––
–
k
g
m
−
3
A
2500
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B
250
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C
25
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D
2.5
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Solution
The correct option is
B
250
Using unit conversions,
1
g
=
10
−
3
k
g
1
c
m
3
=
10
−
6
m
3
Hence,
0.25
g
c
m
−
3
=
0.25
×
10
−
3
k
g
10
−
6
m
−
3
0.25
g
c
m
−
3
=
250
k
g
m
−
3
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