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When a copper sphere is heated, percenta...

When a copper sphere is heated, percentage change is

A

radius

B

area

C

volume

D

none of these

Text Solution

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The correct Answer is:
C
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ALLEN-PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT -EXERCISE-I ERRORS
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  2. An experiment measured quantity a, b, c and then x is calculated from ...

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  3. Zero error in an instrument introduces

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  4. What is the fractional error in g calculated from T = 2 pi sqrt((l)/(g...

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  5. A thin copper wire of length 1 metre increases in length by 2% when he...

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  6. The resistance R = V//i, where V = 100 +- 5 V and I = 10+- 0.2 A. What...

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  7. If error in measuring diameter of a circle is 4 %, the error in the ra...

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  8. The external and internal diameters of a hollow cylinder are measured ...

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  9. Percentage error in measuring the radius and mass of a solid sphere a...

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  10. The heat generated in a circuit is dependent upon the resistance, cur...

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  11. Percentage erros in the measurement of mass and speed are 2% and 3% re...

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  12. While measuring the acceleration due to gravity by a simple pendulum, ...

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  13. The pressure on a square plate is measured by measuring the force on t...

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  14. The error in measuring the side of a cube is pm1%. The error in the ca...

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  15. When a copper sphere is heated, percentage change is

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  16. The resistance R of a wire is given by the relation R=pl//pir^(2). Per...

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  17. Which of the following has the highest number of significant figures ?

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  18. A physical quantity X is given by X=(2K^(3)l^(2))/(msqrt(n)) The p...

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