A south-facing collector at latitude 40 is tipped up atan angle equal to itslati

A south-facing collector at latitude 40 is tipped up atan angle equal to itslatitude. Compute the following insolations for January 1stat solar noon:a. The direct beam insolation normal to the sunsrays.b. Beam insolation on the collector.d. Reflected radiation on the collector with groundreflectivity 0.2.