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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2011
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Q)
A mass M, attached to a horizontal spring, executes S.H.M. with amplitude
A
1
. When the mass M passes through its mean position then a smaller mass m is placed over it and both of them move together with amplitude
A
2
. The ratio of
(
A
1
A
2
)
is :
( A )
(
M
M
+
m
)
1
/
2
( B )
(
M
+
m
M
)
1
/
2
( C )
M
+
m
M
( D )
M
M
+
m
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