which of the following statements are true regarding electromagnetic radiation? select all that apply a…
which of the following statements are true regarding electromagnetic radiation? select all that apply a electromagnetic radiation is energy. b electromagnetic radiation travels in the form of waves. c all forms of electromagnetic radiation are harmful to humans. d electromagnetic radiation cannot travel through empty space.
Answer
Answer:
A. Electromagnetic radiation is energy. B. Electromagnetic radiation travels in the form of waves.
Explanation:
Step1: Define electromagnetic radiation
Electromagnetic radiation is a form of energy.
Step2: Describe its propagation
It travels as waves.
Step3: Analyze harmfulness
Not all forms are harmful. For example, visible - light is not harmful under normal conditions.
Step4: Analyze propagation medium
It can travel through empty space as it does not require a medium for propagation.