Q: Which one of the following types of radiations has the smallest wavelength?
(a)Microwaves
(b)Infra-red
(c)Visible light
(d)X-rays
Correct Answer: (a)
The correct answer is (c): Visible light. Subject: Science & Technology | Sub-topic: Physics Note: This answer was determined through AI-based research. Verify against the official answer key when available.