Printed textbook model paper
What is radiation and how does it transfer heat?
اشعاع کیا اور حرارت کیسے منتقل کرتی ہے؟
Solution & explanation
Electromagnetic energy emitted by matter travels through space or a transmitting medium. Absorption changes the receiver’s internal energy.
Independent study material · English-medium textbook p. iii · Original book ↗