Which diagram shows a p orbital?

Answer:
Third Option
Explanation:
Different orbitals have different shapes. The shapes of the orbitals are given below;
s orbital - Spherical with the nucleus at the center. This matches the second option.
p orbital - It has an elongated like doughnut shape. This matches with the third option in the question.
d orbital - Four of the 5d orbitals are clover leaf shaped. This matches with the first option.