Question
Which one of the following wavelength radiations may correspond to an X-ray?
NDA
General Ability
General Science
2025
NDA 2025 (Phase 2)
NDA General Ability Question (2025) — Solution
Options
- A. 1 nm
- B. 10 nm
- C. 100 nm
- D. 300 nm
Answer
A. 1 nm
Step-by-step solution
The wavelength range of X-rays in the electromagnetic spectrum is generally from 0.01 nm to 10 nm (or 0.1 to 100 ). Among the given options, 1 nm falls well within the characteristic wavelength range of X-rays. Wavelengths from 10 nm to 400 nm correspond to the ultraviolet region. Answer: 1 nm
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