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Standard XII

Physics

The 'e' Equation

A clock, with...

Question

A clock, with a brass pendulum, keeps correct time at $20^{0} C$ , but loses $8.212 s$ per day, when the temperature rises to $30^{C}$ . Calculate the coefficient of linear expansion of brass:

90 \times 10^{6}

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19 \times 10^{-} 6

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9 \times 10^{6}

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1 \times 10^{6}

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Solution

The correct option is B $19 \times 10^{-} 6$

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Similar questions

Q. A clock, with a brass pendulum, keeps correct time at

20^{\circ} C

, but losses

8.212 s

per day, when the temperature rises to

30^{\circ} C

. The coefficient of linear expansion of brass is:-

Q. A clock with a metal pendulum beating seconds keeps correct time at

25^{\circ} C

. If it loses

25 s

a day at

50^{\circ} C

, choose the correct option(s):

Q. A clock which keeps correct time at

25^{\circ} C

has a pendulum made of brass whose coefficient of linear expansion is 0.000019. How many seconds a day will it gain if the temperature fall to

0^{\circ} C

A pendulum clock keeps correct time at $0^{\circ}$ . Its mean coefficient of linear expansions is $α /^{\circ}$ , then the loss in seconds per day by the clock if the temperature rises by $t^{\circ}$ is

Q. A clock with an iron pendulum keeps correct time at

15^{\circ} C

. If the room temperature rises to

20^{\circ} C

, the error in seconds per day will be (coefficient of linear expansion for iron is

0.000012 /^{\circ} C

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A clock, with a brass pendulum, keeps correct time at 200C, but loses 8.212s per day, when the temperature rises to 30C. Calculate the coefficient of linear expansion of brass:

The correct option is B 19×10−6

A clock, with a brass pendulum, keeps correct time at $20^{0} C$ , but loses $8.212 s$ per day, when the temperature rises to $30^{C}$ . Calculate the coefficient of linear expansion of brass:

The correct option is B $19 \times 10^{-} 6$