1.

What will be the time period of oscillation if the material of the Bob is made 9 times

Answer»

EXPLANATION:

The periodic-time of a simple pendulum is given by

T=2π

g

l

T

1

=T,l

1

=l,l

1

=9l

T

2

T

1

=

l

2

l

1

=

9

1

=

3

1

T

2

=3T

1

=3T.



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