The difference between the Sprint Planning Meeting and Sprint Retrospective Meeting is as follows:
Sprint Planning Meeting – A meeting in which all the Scrum roles (product owner, scrum team, and scrum master) have a discussion about the team’s priority features and product backlog items is known as a sprint planning meeting. This meeting is held every week and lasts for almost 1 hour.
Sprint Retrospective Meeting – A meeting in which all the Scrum roles (product owner, scrum team, and scrum master) have a discussion about the good part of the sprint, the bad part of the sprint, and the sprint improvements is known as sprint retrospective meeting. This meeting that is held at the sprint review meeting or at the end of the sprint; it lasts for 2-3 hours.
This is one of the frequently asked Agile Scrum interview questions. You may be asked to define the above terms separately or the difference between these two.