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ICSE Class 10 Physics Question 3 of 27

Solved Sample Paper 2 — Question 11

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11
Question

Question 1(xi)

Observe the heating curve of water

Observe the heating curve of water. Which of the following represent boiling? Physics Sample Paper Solved ICSE Class 10.

Which of the following represent boiling?

  1. OA
  2. AB
  3. BC
  4. CD
Answer

BC

Reason — In part BC of the graph, the temperature of water does not increase even though more heat is supplied with time. Hence, BC represents boiling.