![Equation for the Intensity of Radiation (2.12) | Edexcel International A Level Physics Revision Notes 2019 | Save My Exams Equation for the Intensity of Radiation (2.12) | Edexcel International A Level Physics Revision Notes 2019 | Save My Exams](https://cdn.savemyexams.co.uk/cdn-cgi/image/w=1920,f=auto/uploads/2020/09/7.1.1.7-Intensity-and-power-equation.png)
Equation for the Intensity of Radiation (2.12) | Edexcel International A Level Physics Revision Notes 2019 | Save My Exams
![SOLVED: The energy density of black body radiation (p) at temperature T is given by Planck's formula: p = (8πnhc) / (λ^5) * (1 / (e^(hc/λkT) - 1)) where λ is the SOLVED: The energy density of black body radiation (p) at temperature T is given by Planck's formula: p = (8πnhc) / (λ^5) * (1 / (e^(hc/λkT) - 1)) where λ is the](https://cdn.numerade.com/ask_images/359e541bca62408697b6f5a37b531124.jpg)
SOLVED: The energy density of black body radiation (p) at temperature T is given by Planck's formula: p = (8πnhc) / (λ^5) * (1 / (e^(hc/λkT) - 1)) where λ is the
if surface reflects completely the radiation falling on it then radiation pressure is given by with complee explanation
![According to Stefan's law Q = CAT4 where Q is rate of emission of thermal radiation, A = area, T = Temperature and o is a universal constant. On the (energy-length-time-temperature (E-L-T-K) According to Stefan's law Q = CAT4 where Q is rate of emission of thermal radiation, A = area, T = Temperature and o is a universal constant. On the (energy-length-time-temperature (E-L-T-K)](https://toppr-doubts-media.s3.amazonaws.com/images/3037313/67812617-4f2a-4e67-89ac-f98aea8b901b.jpg)