Pendulum clocks become dull in summer because - – McqOptions

MCQOPTIONS

1.	Pendulum clocks become dull in summer because -
A.	The length of the pendulum increases.
B.	There is friction in the coil.
C.	The days are longer in summer.
D.	The weight of the pendulum changes.
Answer» B. There is friction in the coil.

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