Question

The temperature inside the freezer of a refrigerator is −5oC. It is allowed to defrost. Its
temperature rose up by 2 oC every minute. What was the temperature after 10 minutes.
(a) −20 °C (b) 5 °C (c) 15°C (d) −15°C

Answer 1

Answer:

(c) 15°C

Step-by-step explanation:

Inittial temperature of the freezer = -5 °C

Rate of temp. increase in defrost = 2 °C/ min

Temp after 10 min = 2 x 10 = 20 °C

Temperature = -5 °C + 20 °C = 15°C

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