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प्रश्न
Give a scientific reason for the following:
In winter the human body covered with a blanket keeps warm.
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उत्तर
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संबंधित प्रश्न
Convert 40°C to the (a) Fahrenheit scale (b) Kelvin Scale.
Draw a diagram showing the temperature of various layers of water in an ice covered pond.
What do you mean by temperature?
Explain the following:
In a solid, heat is not transferred by the process of convection.
Where am I?
The mean annual temperature is 25°C around me.
Who am I?
Land and water get heated due to me.
Consider the statement given below and choose the correct option.
Assertion: A system can be converted from one state to another state.
Reason: It takes place when the temperature of the system is constant.
Temperature is related to how fast the atoms within a substance are moving.
For setting curd, a small amount of curd is added to warm milk. The microbes present in the curd help in setting if the temperature of the mixture remains approximately between 35°C to 40°C. At places, where room temperature remains much below the range, setting of curd becomes difficult. Suggest a way to set curd in such a situation.
Give reasons why –
a steam burn is more damaging than a burn caused by boiling water at the same temperature.
