Question

If a man standing on a platform 3 metres above the surface of a lake observes a cloud and its reflection in the lake, then the angle of elevation of the cloud is

A. equal to the angle of depression of its reflection

B. double to the angle of depression of its reflection

C. not equal to the angle of depression of its reflection

D. information insufficient

Answer 1

Hence, if a man standing on a platform 3m above from the surface of a lake observes a cloud and its reflection in the lake, then the angle of elevation of the cloud is not equal to the angle of depression of its reflection.