The professor’s casual attire and the characters sitting on a love seat just before the critical “H-hour” creates an ironic contrast and a playful mood.
The placement of the characters on the love seat and the professor’s relaxed attire represents dramatic irony and the characters’ uncertainty about future events.
Explanation:
Since, the plot before this particular scene where the general and the professor meet each other, professor was made into a weapon where the professor is not fond of this very idea. Hence this particular scene represents the dramatic irony and the character's uncertainty about future events.
