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HSC Science (Electronics) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Physics

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Solve the following problem.

A metal sphere cools at the rate of 0.05 ºC/s when its temperature is 70 ºC and at the rate of 0.025 ºC/s when its temperature is 50 ºC. Determine the temperature of the surroundings and find the rate of cooling when the temperature of the metal sphere is 40 ºC.

[7] Thermal Properties of Matter
Chapter: [7] Thermal Properties of Matter
Concept: undefined >> undefined

A metal sphere cools from 80 °C to 60 °C in 6 min. How much time with it take to cool from 60 °C to 40 °C if the room temperature is 30 °C?

[7] Thermal Properties of Matter
Chapter: [7] Thermal Properties of Matter
Concept: undefined >> undefined
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