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A platinum resistance thermometer reads ...

A platinum resistance thermometer reads `0^(@)C` when its resistance is `80Omegaand100^(@)C` when its resistance is `90Omega`. Find the temperature at the platinum scale at which the resistance is `86Omega`

A

`30^(@)C`

B

`60^(@)C`

C

`20^(@)C`

D

`10^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-2
  1. The reading of centigrade thermometer coin-cides with that of Fahrenhe...

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  2. The steam point and the ice point of a mercury thermometer are marked ...

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  3. A platinum resistance thermometer reads 0^(@)C when its resistance is ...

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  4. The pressure of a gas filled in the bulb of a constant volume gas ther...

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  5. A Fahrenheat thermonmeter reads 113^(@)F while a faulty celsius thermo...

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  6. On a hypothetical scale X, the ice point is 40^(@) and the steam point...

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  7. A gas thermometer measures the temperature from the variation of press...

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  8. Coefficient of cubical expansion of a solid is (0.000027//""^(@)C). If...

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  9. If coefficient of cubical expansion is x times coefficient of superfic...

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  10. The ratio of the lengths of two rods is 4 : 3. The ratio of their coef...

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  11. A wire of length 60 cm is bent into a circle with a gap of 1 cm at its...

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  12. A metal metre scale gives correct measurement at 0^(@)C. It is general...

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  13. The temperature of a thin uniform rod increases by Deltat. If moment o...

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  14. A metal rod has a length of 1 m at 30^(@)C.'alpha' of metal is 2.5xx10...

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  15. Upon heating, the length of the side of a cube changes by 2%. The volu...

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  16. Radius of a sphere is 100 cm at 0^(@)C and 100.1 cm at 100^(@)C. Coeff...

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  17. A brass disc at 0^(@)C has a diameter of 50Cm and a hole of diameter 1...

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  18. Density of a substance at 0^(@)C is 10.6 gm/c.c and at 100^(@)C is 10 ...

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  19. A steel rod of dimesions 4xx4cm^(2) is tightly fixed between two suppo...

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  20. A length of 2m is measured using a metal tape at 10^(@)C. It is calibr...

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