You Do Need power plug adapter while traveling from Zimbabwe to Myanmar (Burma).

Here is Why You Need An Adapter

The outlet and plug type used in Myanmar (Burma) are A, C, D, G and I and in Zimbabwe are D and G. This is how they look like.

Zimbabwe

In Zimbabwe, outlets of type D and G are in use.

Type D

Type G

Myanmar (Burma)

In Myanmar (Burma), outlets of type A, C, D, G and I are in use.

Type A

Type C

Type D

Type G

Type I