Which one of the following groups of e.m. wave is/are in order of increasing frequency?

Which one of the following groups of electromagnetic waves is in order of increasing frequency ?

Which of the following are not e.m. wave?

Which one of the following is correct increasing order of size ?

Arrange the Electromagnetic waves in order of increasing frequency

Arrange the following electromagnetic waves in order in increasing frequency : gamma -rays, microwaves, infrared rays and ultraviolet rays.

Which one of the following is correct order of increase of size?