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Heat and Its Ef...

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  • Question 1
    1 / -0

    Which of the following statements is incorrect regarding the effects of heat?

  • Question 2
    1 / -0

    A bimetallic strip is not used in

  • Question 3
    1 / -0

    Use the following information to answer the question.

    A tight metal lid on a glass container seems difficult to open, but it opens easily if hot water is run over the lid.

    Which is the correct reason for the given statement?

  • Question 4
    1 / -0

    Use the following information to answer the next question.

    After a hot day, Radha saw her mother sprinkle water in the evening on the roof and in the open area of her house. After sometime, Radha felt that the house was much cooler than before.

    Radha’s observation can be explained using which process?

  • Question 5
    1 / -0

    Water is boiled at three different places, X, Y and Z, whose altitudes are 400 ft, 1200 ft and 3000 ft above sea level, respectively. Boiling point of the water is observed at all the three places. Which of the following shows the correct observation?

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