Suppose a person, let's say Neil, is on moon and Earth is experiencing a total solar eclipse so how should Neil perceive the Earth? This is also a question from KVPY (5/11/2017) question no. 22. as seen below
Shouldn't it be a small circle as compared to Earth? As size of moon is smaller than Earth and due to diffraction the spot will be smaller than the size of moon so why the answer is given as [B] as it should be [C]? Am I incorrect somewhere or the answer is incorrect?