Questions

The trick here is to follow the structure of the statement. The blank is followed by 'of' and thus the blank will take a filler that can be followed grammatically by 'of' and also manages to give a proper meaning. On the basis of these filters, none of the options except option 2 makes any sense.

Group Therapy is a form of psychotherapy in which one or more therapists treat a small group of patients to describe and discuss their problems. Group therapy allows individuals to develop self-awareness and better understand themselves by listening to others with similar issues in the context of their relationships.

An advantage to group therapy is that groups are source for social support.

The amplitude of a wave is a measure of the displacement of the wave from its rest position i.e, half the distance from its highest point to its lowest point.

Amplitude is proportional to the energy of a wave.

In all Electromagnetic waves, Gamma Rays have the highest frequency and the lowest wavelength. Whereas Radio ways have lowest Frequency and the highest wavelength.