Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
The hand having ice at 0°C will feel more chillness than of 0°C water.
Reason: The 0°C ice takes more heat from hand equal to mL, to convert 0°C Ice water, 0°C as compared to 0°C water of same mass. Hence m & L are the mass and latent heat of fusion of water respectively.
APPEARS IN
संबंधित प्रश्न
What is meant by the term temperature.
What is the Kelvin scale of temperature?
The temperature of a body rises by 1°C. What is the corresponding rise on the (a) Fahrenheit scale (b) Kelvin scale?
Who is telling the truth?
Heat flows from an object at higher temperature to an object at lower temperature.
Define temperature and write its S.I. unit.
What causes a change in the temperature of a body?
Explain the following:
Water is heated generally from below.
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.
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.
