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Question

A student heats a beaker containing ice and water he measures the temperature of the content of the beaker as a function of time which of the following fig would correctly represent the result justify your choice.


A
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B
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C
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D
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Solution

The correct option is D

Explanation for correct option:

(D)

  • The mixture's temperature would be zero at the beginning of the experiment since water and ice are in equilibrium.
  • Latent heat will be used by the students to melt the ice when they first begin heating.
  • As a result, the temperature remained constant for a while. The temperature of the water progressively rises as the mixture is heated further by the students.
  • Hence, this is the correct option.

Explanation for incorrect option:

(A)

  • This figure represents the temperature increases initially and after some time it becomes constant which is not correct according to the experiment done.
  • So, this is the incorrect option,

(B)

  • This figure represents the temperature becoming constant initially and after some time it becomes decreasing which is not correct according to the experiment done.
  • So, this is the incorrect option,

(D)

  • This figure represents the temperature becoming decreasing initially and after some time it becomes constant which is not correct according to the experiment done.
  • So, this is the incorrect option,

Hence, the correct option is (D)


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