Electromagnetic Radiation Moving Through Space with the Speed of Light

question 99

Multiple Choice

Electromagnetic radiation moving through space with the speed of light consists of oscillating

• A) electric and magnetic fields moving in opposite directions along the same line in space.
• B) magnetic fields that over time and distance change to oscillating electric fields and then back to magnetic fields in a continuous manner.
• C) electric and magnetic fields with the same frequency and wavelength and traveling in the same direction.
• D) electric fields, with magnetic fields occasionally accompanying them, moving in the same direction.

---

Definitions:

Egocentrism

In developmental psychology, a characteristic of young children where they are unable to see a situation from another person's point of view.

Three-Mountain Task

A cognitive developmental measure designed by Jean Piaget to study children's ability to take on another's perspective and understand that different viewpoints exist.

Preoperational Child

A developmental stage posited by Piaget, typically aged 2 to 7 years, marked by the beginning use of symbols and language but limited in logical reasoning.

Subtraction

A mathematical operation that represents the process of taking one quantity away from another, resulting in the difference.