Arrange the following in the ascending order of wavelength ( λ ) : (A) Microwaves (λ 1 ) (B) Ultraviolet rays ( λ 2 ) (C) Infrared rays (λ 3 ) (D) X-rays (λ 4 ) Choose the most appropriate answer from the options

Physics · Electromagnetic Waves

JEE Main 2025 — 24 January, Evening Shift — Question 48

Arrange the following in the ascending order of wavelength ( $\lambda$ ) : (A) Microwaves $\left(\lambda_{1}\right)$ (B) Ultraviolet rays ( $\lambda_{2}$ ) (C) Infrared rays $\left(\lambda_{3}\right)$ (D) X-rays $\left(\lambda_{4}\right)$ Choose the most appropriate answer from the options

Option A:
$\lambda_{4}<\lambda_{3}<\lambda_{2}<\lambda_{1}$
Option B:
$\lambda_{3}<\lambda_{4}<\lambda_{2}<\lambda_{1}$
Option C:
$\lambda_{4}<\lambda_{2}<\lambda_{3}<\lambda_{1}$
Correct
Option D:
$\lambda_{4}<\lambda_{3}<\lambda_{1}<\lambda_{2}$

Answer: C

Step-by-step solution

Images

Answer key and solution verified before publishing.

Practise Electromagnetic Waves

Start with this question, then two more from the same chapter — with a tutor that explains every step. Free.

Solve a similar one free

Exam: JEE Main 2025
Paper: 24 January, Evening Shift
Subject: Physics
Chapter: Electromagnetic Waves
Topic: Properties of EM Waves and Electromagnetic Spectrum