You Do Need power plug adapter while traveling from Tunisia to Jordan.

Here is Why You Need An Adapter

The outlet and plug type used in Jordan are C, D, F, G and J and in Tunisia are C and E. This is how they look like.

Tunisia

In Tunisia, outlets of type C and E are in use.

Type C

Type E

Jordan

In Jordan, outlets of type C, D, F, G and J are in use.

Type C

Type D

Type F

Type G

Type J