Q. The total radiant energy emitted by a plane surface per unit area and unit time is called (Solved)
1. Radiant flux density
2. Total absorptivity
3. Radiant energy
4. Radiant intensity
5. None of the above
- a. Radiant flux density
1. Radiant flux density
2. Total absorptivity
3. Radiant energy
4. Radiant intensity
5. None of the above