A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using
Sahay Sir > Question Answers > A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using
Assuming the sun to have a spherical outer surface of radius r radiating like a black body at temperature t degree C. The power received by a unit surface (normal to the incident rays) at a distance R from the centre of the sun is where sigma is the Stefan’s constant.
31
Aug
Assuming the sun to have a spherical outer surface of radius r radiating like a black body at temperature t degree C. The power received by a unit surface (normal to the incident rays) at a distance R from the centre of the sun is where sigma is the Stefan’s constant. A piece of iron [...]
A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using
31
Aug
A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally [...]