Heat questions | form five Physics

Why water is preferred as a cooling agent in many automobile engines?

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UNSOLVED

A thermometer has wrong calibration as it reads the melting point of ice as -10°C. If it reads 40°C in a place where the temperature reads 30°C; determine the boiling point of water on this scale.

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Analyse three practical applications of thermal expansion of solids in daily life situations.

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A closed metal vessel containing water at 75°C, has a surface area of 0.5 m​ ² and uniform thickness of 4.0 mm. If its outside temperature is 15°C, calculate the heat loss per minute by conduction.

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(i)Sketch the graph to illustrate how the energy radiated by a black body is distributed among various wavelengths.
(ii) What information would be drawn from the graph in (i)? Give three points.

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UNSOLVED