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प्रश्न
What is the principle of the thermometer?
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उत्तर
The thermometer works on the principle that substances expand on heating and contract on cooling. So we use a thermometric substance which expands and contracts uniformly.
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संबंधित प्रश्न
What is the Fahrenheit scale of temperature ?
Why does a piece of ice when touched with a hand, appear cool? Explain.
Who am I?
I make things hot or cold.
Convert the following temperature into Fahrenheit scale:
-400C
The following figure shows a copper washer. Explain, giving reasons, whether the following characteristics of the washer increase, decrease, or remain the same when it is heated.
(a) Internal diameter
(b) Volume
(c) Mass
(d) Density
(e) External diameter
Where am I?
The isotherm 0°C runs in my surroundings.
Temperature of Srinagar (J&K) is -4°C and in Kodaikanal is 3°C which of them has greater temperature? What is the difference between the temperatures of these two places?
If you keep ice at 0° C and water at 0° C in either of your hands, in which hand you will feel more chillness? Why?
The coldest temperature in the world was measured in the ______ continent.
