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Thermal Propert...

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  • Question 1
    4 / -1

    Equal masses of two liquids are filled in two similar calorimeters. The rate of cooling will

  • Question 2
    4 / -1

    Liquid is filled in a vessel which is kept in a room with temperature 20oC. When the temperature of the liquid is 80oC, then it loses heat at the rate of 60 cal/s. What will be the rate of loss of heat when the temperature of the liquid is 40oC?

  • Question 3
    4 / -1

    Which of the following statements id true/correct?

  • Question 4
    4 / -1

    A cane is taken out from a refrigerator at 0oC. The atmosphere temperature is 25oC. If t1 is the time taken to heat from 0oC to 5oC and t2 is the time taken from 10oC to 15oC, then

  • Question 5
    4 / -1

    A liquid cools down from 70oC to 60oC i 5 minutes. The time taken to cool it from 60oC to 50oC will be

  • Question 6
    4 / -1

    The rates of cooling of two different liquids put in exactly similar calorimeters and kept in identical surroundigs are the same if

  • Question 7
    4 / -1

    The temperature of a liquid drops from 365 K to 361 K in 2 minutes. Find the time during which temperature of the liquid drops from 344 K to 342 K. Temperature of room is 293 K

  • Question 8
    4 / -1

    A container contains hot water at 100oC. If in time T1 temperature falls to 80oC and in time T2 temperature falls to 60oC from 80oC, then

  • Question 9
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    Hot water kept in a beaker placed in a room cools from 70oC to 60oC in 4 minutes. The time taken by it to cool from 69oC to 59oC will be

  • Question 10
    4 / -1

    Newton\'s law of cooling, holds good only if the temperature difference between the body and the surroundings is

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