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प्रश्न
Give a scientific reason for the following:
It is better to use thin blankets to keep the body warm rather than using a single blanket of thickness equal to their combined thickness.
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उत्तर
It is better to use two thin blankets to keep the body warm rather than using a single blanket of equal thickness because in between the two thin blankets there is more air trapped than in the single blanket of equal thickness so using two thin blankets better heat insulation is provided to the body from the surroundings and keep us warm
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संबंधित प्रश्न
The temperature rises by 18°F. What is the rise on the Celsius scale?
When a substance having mass 3 kg receives 600 cal of heat, its temperature increases by 10°C. What is the specific heat of the substance?
Define heat energy on a conventional basis.
Is it possible to heat a liquid or gas from above? Explain your answer.
Where am I?
The mean annual temperature is 25°C around me.
Where am I?
The mean annual temperature around me is 10°C.
Higher Order Thinking question
Go to a veterinary doctor (a doctor who treats animals). Discuss and find out the normal temperature of domestic animals and birds.
Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.
