Advertisements
Advertisements
प्रश्न
Give a scientific reason for the following:
On a hot sunny day, it is advisable to wear light coloured clothes.
उत्तर
People wear light colured clothes in winter because these clothes reflect most of the sun's radiations and absorb only a little of them. Therefore, they keep themselves cool.
APPEARS IN
संबंधित प्रश्न
Define heat energy on a conventional basis.
What is evaporation? Why does it cause cooling?
What is the unit of coefficient of volume expansion?
Draw a neat and labeled diagram of a clinical thermometer
Explain the following:
Conduction is not possible in vacuum.
Where am I?
The mean annual temperature is 25°C around me.
The temperature and heat are ______ quantities.
Paheli and Boojho measured their body temperature. Paheli found her’s to be 98.6 °F and Boojho recorded 37°C. Which of the following statement is true?
______ is the degree of hotness or coldness of a body.
Which factor determines the direction of flow of heat from one body to another?
