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Two thermometers x and y fundamental intervals of `80^(@)` and `120^(@)`. When immersed in ice, they show the readings of `20^(@)` and `30^(@)`. If y measures the temperatures ofa body as `120^(@)`, the reading of x is

A

`55^(@)`

B

`65^(@)`

C

`75^(@)`

D

`80^(@)`

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PHYSICS GALAXY - ASHISH ARORA-HEAT AND THERMAL EXPANSION-NUMERICAL MCQs SINGLE OPTIONS CORRECT
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  2. A metal cube of length of 10.0 mm at 0^(@)C is heated to 200^(@)C. Gi...

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  3. Two thermometers x and y fundamental intervals of 80^(@) and 120^(@). ...

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  4. Which of the following temperatures is the highest?

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  5. A difference of temperature of 25^(@)C is equivalent to a difference o...

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  6. A thermometer has wrong calibration (of course at equal distances and ...

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  7. A fixed mass of an ideal gas is maintained at constant volume. The pre...

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  8. A graph is plotted between the temperature of a copper cube in .^(@)C ...

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  9. At what temperature do the Kelvin and Celsius scales coincide?

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  10. The resistance of the platinum resistance thermometer at the triple po...

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  11. An iron metre rod is allowed an error of 1 part per milliion. If the c...

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

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  13. A Fahrenheit thermometer reads 113^(@)F while a faulty Celsius thermom...

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  14. A steel scale measures the length of a copper rod as l(0) when both ar...

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  15. If temperature of a pendulum clock changes from theta(1) to theta(2) t...

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  16. The density of a substance at 0^(@)C is 10 g//c c and at 100^(@)C, its...

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  17. A sphere made of iron is rotating about its diameter as axis alpha=1xx...

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  18. A solid occupies 1000ml at 20^(@)C. Its volume becomes 1016.2ml at 320...

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  19. A clock with a metal pendulum beating sconds keeps correct time at 0^(...

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  20. A clock which keeps correct time at 25^(@)C has a pendulum made of a m...

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