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Question 9

A laboratory thermometer A is kept 7 cm away on the side of the flame while a similar thermometer B is kept 7 cm above the flame of a candle as shown in Figure.

Which of the thermometers, A or B, will show a greater rise in temperature? Give reason for your answer.



    Solution

    The correct option is

    Thermometer B will show a greater rise in temperature because hot air rises up and increases the temperature of the thermometer which is above the flame of a candle.

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