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NDA 2025
Exam
NDA
Year
2025
Subject
General Ability
Chapter
General Science

NDA 2025 · General Ability · General Science

Which one of the following radiations has longer wavelength?

Which one of the following radiations has longer wavelength?

Options

  1. AX-rays
  2. BUltraviolet
  3. CMicro Wave
  4. DInfra-red

Correct answer

C. Micro Wave

Step-by-step solution

The electromagnetic spectrum in the order of increasing wavelength is:

Gamma rays < X-rays < Ultraviolet < Visible light < Infrared < Microwaves < Radio waves.

Comparing the given options, microwaves have the longest wavelength.

Answer: Micro Wave
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