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A body cools from 40^@C to 30^@C in 5 mi...

A body cools from `40^@C` to `30^@C` in 5 minutes and to `26^@C` in next 3 minutes. What will be the temperature of surroundings?

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To solve the problem of determining the temperature of the surroundings (Ts) using Newton's Law of Cooling, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Cooling Process**: - The body cools from 40°C to 30°C in 5 minutes. - Then, it cools from 30°C to 26°C in the next 3 minutes. ...
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MODERN PUBLICATION-THERMAL PROPERTIES OF MATTER-REVISION EXERCISE (NUMERICAL PROBLEM)
  1. At what temperature will both the Celsius and Fahrenheit scales read t...

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  2. The air pressure in the thermometer bulb at constant volume is 70 cm o...

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  3. A thermometer is first dipped in water and then taken to a warm liquid...

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  4. A metal block is heated through 10^@C till the volume of it changes ...

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  5. The driver of an automobile gets his steel gasoline tank filled with 5...

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  6. By how much amount should the temperature of a steel rod be increased ...

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  7. At 0^@C a thermally isolated container has 200 g of water. When air a...

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  8. 500 gms of water is to be cooled from 3.5^@C to 20^@C . How many grams...

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  9. What is calorific value of petroleum if 0.25 g of petroleum is burnt i...

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  10. A wooden box having dimensions 80 cm x 60 cm x 30 cm and thickness 3 c...

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  11. What will be the difference in temperatures between two sides of a met...

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  12. A long metallic bar of length 0.5 m is placed in such a way that its o...

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  13. A body cools from 40^@C to 30^@C in 5 minutes and to 26^@C in next 3 m...

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  14. Water placed in a container cools from 80^@C to 70^@C in 5 minutes. H...

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  15. What will be the surface area of a filament of 200 W incandescent lamp...

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  16. By which factor the radiation emitted by a body will increase if the t...

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  17. A metallic ball of surface area 300 cm^2 at a temperature of 227^@C ...

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  18. The wavelength of maximum energy distribution by a star A is 4500 Å at...

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  19. The temperature of a furnace is 827^@C. At which wavelength will it ra...

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