$$ collector length: L$=24$m

$=8($Collector Width$)$

$$

$=10$

$$ Number of Mirrors: $16$

$=0\mathrm{.}5($Width of Single mirror$)$

$$

$1-$ Calculate the tilt of each mirror $($x$=04$m$)$ for North$-$South direction axis.

$2-$ Calculate the area of the sunspot on March $21$ @ $10$ a$.$m$.$ for latitude: $=36\mathrm{.}8$ and

st

longitude $=10\mathrm{.}25.$

$3-$ Calculate the concentration Factor.

$4-$ Demonstrate that $$It is necessary to install a secondary reflector. $5$Why did we put the secondary reflector @ h$=10$ m$.$