1,000 identical drops of oil of density 500kgm-3 have a total mass of 5 x 10-4kg. One of the drops forms a thin film of area 0.5m2 on water. The thickness of the film is
a
2 x 10-8m
b
2 x 10-9m
c
2 x 10-7m
d
3 x 10-9m
e
2.8 x 10-8m
Explanation
Correct Option
bVideo Explanation
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