If a Beam of Electromagnetic Radiation Has an Intensity of 120

question 34

Multiple Choice

If a beam of electromagnetic radiation has an intensity of 120 W/m², what is the maximum value of the electric field? (c = 3.0 x 10⁸ m/s, μ₀ = 4π × 10^-7 T ∙ m/A, ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A) 1.5 kV/m
• B) 1.0 µT
• C) 1.0 µV/m
• D) 0.30 kV/m
• E) 0.0032 V/m

---

Definitions:

Program Instructions

Detailed steps and rules that tell a computer or system how to perform specific tasks or operations.

Primary Storage

The main storage area in a computing device, such as RAM, which is directly accessible by the CPU and stores data and applications currently in use.

Program Instructions

Sets of commands or algorithms that direct a computer or other programmable device to perform specific operations.

During Processing

Refers to tasks, actions, or operations that occur in the middle stage of a processing workflow or production cycle.