Satellite communication, cooking, terrestrial communication, and RADAR make use of (2) _____.

Remote controls, thermal imaging and night vision goggles are practical applications of (3) _____.

You can see things around you because of (4) _____.

Vitamin D is produced from (5) _____.

In diagnosing bone fractures, we use (6) _____.

(7) _____ is a type of x-ray that can penetrate the flesh while (8) _____ can penetrate through metals.

Treating tumors and cancer through the process called radiotherapy and sterilizing medical equipment are practical applications of (9) _____.

The effect of Electromagnetic waves on organisms and environment depends on how much (10) _____ it carries.