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A clock run by a brass pendulum gives co...

A clock run by a brass pendulum gives correct time at `25^(@)C`. By how many seconds the clock will go slow or fast per day at `0^(@)C`? Coefficient of linear expansion of brass = `19xx10^(-6@)C^(-1)`.

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The correct Answer is:
20.52 s fast
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A steel scale is error-less at 50^(@)F . Using the scale, the length of a brass rod is found to be 1.5 m at 50^(@)C . What is the true length of the rod at 100^(@)C ? (Coefficients of linear expansion of steel and brass are 11.2 times 10^(-6@)C^(-1) " and " 18 times 10^(-6@)C^(-1) respectively.)

A brass rod has a length of 150 cm at 40^(@)C . What will be its length at 100^(@)C ? The coefficient of linear expansion of brass is 18 times 10^(-6@)C^(-1) .

A barometer with a brass scale reads 75.34 cm at 25^(@)C . The scale was graduated at 20^(@)C. What will be the reading of the barometer at 0^(@)C ? Coefficient of linear expansion alpha for brass =18 times 10^(-6@)C^(-1) and coefficient of linear expansion gamma for mercury =18 times 10^(-5@)C^(-1).

Coefficient of linear expansion of iron is 12 times 10^(-6@)C^(-1) - explain the statement.

A pendulum clock gives correct time at sea level. By how much time will the clock go show or fast in a town situated at an altitude of 741 m? Radius of the earth = 6400 km

A rectangular copper block measures 20cm times 12cm times 3cm . What will be the change in volume of the block when it is heated from 0^(@)C " to " 800^(@)C ? Coefficient of linear expansion of copper is 0.16 times 10^(-4@)C^(-1) .

With the help of a graduated cylinder made of ordinary glass, volume can be measured accurately at 10^(@)C . If it is used at 70^(@)C , what will be the percentage error in the measurement? Coefficient of linear expansion of glass =9 times 10^(-6@)C^(-1) .

CHHAYA PUBLICATION-SIMPLE HARMONIC MOTION-PROBLEM SET - II
  1. A seconds pendulum goes slow by 1 min 40 s a day. What should be the c...

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  2. A pendulum clock gives correct time at sea level. By how much time wil...

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  3. The time period of a simple pendulum is 1.96 s. Its time period increa...

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  4. Calculate the percentage of charge of time period of a simple pendulum...

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  5. Two simple harmonic motions are represented by the equations y(1)=0.1s...

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  6. A particle at the end of a spring executes simple harmonic motion with...

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  7. A spring balance has a scale that reads from 0 to 50 kg. The length of...

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  8. If the angular frequency of a particle executing SHM is omega and its ...

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  9. When a particle executing SHM reaches half of its amplitude, find rati...

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  10. The time period and the amplitude of vibration of a particle of mass 5...

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  11. A lift is ascending with a retardation of 1.4m*s^(-2). If a seconds pe...

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  12. An aeroplane is descending with a retardation of 2m*s^(-2) making an a...

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  13. The bob of a simple pendulum executes simple harmonic motion in water ...

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  14. The time period of a simple pendulum is T. When the length is increase...

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  15. A heavy brass sphere is hung from a weightless inelastic spring and as...

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  16. A clock run by a brass pendulum gives correct time at 25^(@)C. By how ...

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  17. A pendulum clock performs 86405 half-oscillations per day. At the begi...

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  18. There are three iron rods and two brass rods in a compensated pendulum...

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  19. A body of mass 1 kg is suspended from a weightless spring having force...

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  20. A particle is executing SHM on x-axis starting from mean position. At ...

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