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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2001
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Q)
A mercury drop of radius 1 cm is sprayed into
10
6
drop of equal size. The energy expanded in joules is : <br> (Surface tension of mercury is
460
×
10
−
3
N
/
m
)
( A )
5.7
×
10
−
3
( B )
5.7
( C )
0.057
( D )
5.7
×
10
−
4
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