A clock which keeps correct time at \[{{20}^{o}}C\], is subjected to \[{{40}^{o}}C\]. If coefficient of linear expansion of the pendulum is \[12\times {{10}^{-6}}/{}^\circ C\]. How much will it gain or loose in time [BHU 1998]

A clock which keeps correct time at \[{{20}^{o}}C\], is subjected to \

1.	A clock which keeps correct time at \[{{20}^{o}}C\], is subjected to \[{{40}^{o}}C\]. If coefficient of linear expansion of the pendulum is \[12\times {{10}^{-6}}/{}^\circ C\]. How much will it gain or loose in time [BHU 1998]
A.	10.3 seconds / day
B.	20.6 seconds / day
C.	\[a/2\]
D.	20 minutes / day
Answer» B. 20.6 seconds / day

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A clock which keeps correct time at \[{{20}^{o}}C\], is subjected to \[{{40}^{o}}C\]. If coefficient of linear expansion of the pendulum is \[12\times {{10}^{-6}}/{}^\circ C\]. How much will it gain or loose in time [BHU 1998]

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