Advertisements
Advertisements
प्रश्न
Give a scientific reason for the following:
On a hot sunny day, it is advisable to wear light coloured clothes.
टिप्पणी लिखिए
Advertisements
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.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Fill in the blank
The temperature of a normal human body is ________.
Name two substances which contract on heating.
1 J equals to :
Define coefficient of linear expansion. Write its SI unit.
The body temperature of a healthy person is 98.4°F. Find the corresponding temperature on the Celsius scale.
State three models of transfer of heat.
Name the metal which is most conducting.
How can the radiating power of a surface be increased?
When a substance is heated, its temperature ______.
Temperature is a measure of the average kinetic energy of molecules.
