Questions:

Give a definition of the radiative intensity and its units.

Give a definition of a Blackbody.

Write the integral expression of a surface total emittance in $\{$:$\frac{W}{m^2}),($involving a

spectral Blackbody intensity$),$ and for a surface total irradiation in $\{$:$\frac{W}{m^2}).$

What is the solar declination : calculate it the $04$ march $2022$ at $10$ am in Chamb$$ry$*$

From Polytech building, it is plane to build an office building located at the East $(90)$

at a distance of $20m.$ The building would be $5$ floors $(14m)$ high.

Will it generate shadow on the college building?

Does the solar declination angle change daily?

What happens to the angle of declination as you get closer to the poles or the equator?

${?}^{**}$ Chamb$$ry$\text{'}$s longitude $=5\mathrm{.}854$ east and latitude $45\mathrm{.}634$