density of a piece of iron is 2.5mg/cm³ and volume is 10cm³. find mass of iron in 1. si unit 2. cgs unit
Answers
Answered by
17
Step-by-step explanation:
mass =vd=2.5×10 g =25 g in cgs
in si mass is =0.025 kg
Answered by
0
Correct option is
B
40
In CGS, d=4
cm
3
g
If unit of mass is 100 g, 4 g mass in new units is
100
4
units
and unit of distance is 10 cm, 1 cm in new units is
10
1
units
So, density =
(
10
1
cm)
3
4(
100
g
)
=
(
10
1
)
3
(
100
4
)
=40 units
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