Which of the following best represents the temperature versus heat supplied graph for water, in the range of - 20 ° C t o 120 ° C ? [2026]

Question

Which of the following best represents the temperature versus heat supplied graph for water, in the range of $- 20 ° C t o 120 ° C$ ? [2026]

Smart Achievers · Accepted Answer

(2)

$- 20 ° C to 0 ° C: q = m s_{ice} Δ T$ $At 0 ° C, phase change takes place.$

$0 ° C to 100 ° C: q = m s_{water} Δ T$ $At 100 ° C, phase change takes place.$

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