Numericals: 1. An irregular shaped body of mass 250 g is put in eureka can and water displaced is collected in measuring cylinder in which water is already at mark 20 cm”. Now the water level rises to 60 cm? Calculate (a) volume of body. (b) density of body in CGS and SI units.
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Mass m = 250 g
Volume v1 = 20 cm
Volume v2 = 60 cm
Volume v = v2 - v1
v = 60 cm - 20 cm
v = 40 cm
Density = M
V
= 250 g = 6.25 g cm-¹ (C.G.S)
40 cm
= 250 0.25 kg
1000 kg
= 40 = 0.4 m
100 m
Density in S.I. = M = 0.25 kg 0.625 kg m-¹
V 0.4 m
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