What is Atticus trying to prove through his questioning of Bob Ewell?

Atticus try to prove through questioning of Bob well that Mayella never went to a doctor, that she was never raped and the injuries on her face was caused by her father.

Explanation:

To kill a mocking bird is a novel that was written by Harper Lee in 1960. It was narrated by Scout Finch, a 6 year old girl who lived with her lawyer father and brother Jem in a small town mayocomb. In the novel Atticus was asked to defend Tom Robinson, a black man who was accussed of raping a white woman.