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At what temperature is the Fahrenheit sc...

At what temperature is the Fahrenheit scale reading equal to
(a) twice (b) half of Celsius ?

A

`40^@`

B

`-40^@`

C

`37^@`

D

`-80^@`

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SL ARORA-Thermal Properties of Matter-Exercise
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  2. If the boiling point of water is 95^(@)F, what will be reduction at ce...

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  3. At what temperature is the Fahrenheit scale reading equal to (a) twi...

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  4. Resistance of tungsten wire at 150^(@)C is 133 Omega. Its resistance t...

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  5. Triple point of water is

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  6. The mechanical equivalent of heat J is

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  7. During constant temperature, we feel colder on a day when the relative...

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  8. When a body is heated, then maximum rise will be in its

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  9. A composite rod made of copper (alpha =1.8xx10^-5 K^-1) and steel (alp...

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  10. If the temperature of a rod is increased by 10^@C, its length increase...

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  11. The volume of a gas at 20^(@)C is 100 cm 3 at normal pressure. If it i...

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  12. The coefficient of volumetric expansion of mercury is 18xx10^(-5)//^(...

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  13. Coefficient of real expension of mercury is 0.18 xx 10^(-3//@)C. If th...

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

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  15. A uniform metal rod is used as a bar pendulum. If the room temperature...

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  16. Calculate the presure required to stop the increases in volume of a co...

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  17. A clock which keeps correct time at 20^(@)C is subjected to 40^(@)C. I...

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  18. When water is heated from 0^@C to 20^@C its volume

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  19. Amount of heat required to raise the temperature of a body through 1 K...

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  20. Specific heat of a substance is a function of its

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