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संबंधित प्रश्न
What is the difference between heat and temperature? What are their units?
Define one joule of heat.
What do you mean by temperature?
Explain the following:
Land becomes warmer than water during the day.
What is the principle of the thermometer?
Out of metals, liquids, and gases:
Which one is worst conductor of heat?
The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.
Explain:
(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?
The hotness of the object is determined by its ______.
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, the setting of curd becomes difficult. Suggest a way to set curd in such a situation.
