When the north end of earth’s axis is tilted toward the sun, happens

Summer season

Explanation:

When the north end of the axis is tilted towards the Sun there will be Summer season in the northern hemisphere and winter season in the southern hemisphere. The seasonal change on Earth occur because of tilt of axis of the Earth and its revolution around the Sun. Due to the revolution, for few months southern hemisphere tilts towards the Sun and for few months northern hemisphere tilts toward the Sun.

Because of the change in the tilt the amount of sun light falling per unit area changes and thus the temperature changes. This results in the seasonal change.

the answer for apex is the lowest

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray