Physics CBSE Class 12 Sample Paper for 2023 Boards - Solution

CBSE Class 12 Sample Paper for 2022 Boards [Term 2] - Physics →
Physics Class 12
Solutions to CBSE Sample Paper - Physics Class 12

Question 19 - Physics CBSE Class 12 Sample Paper for 2023 Boards - Solution - Solutions to CBSE Sample Paper - Physics Class 12

Last updated at April 16, 2024 by

Electromagnetic waves with wavelength

  1. λ1 is suitable for radar systems used in aircraft navigation.
  2. λ2 is used to kill germs in water purifiers.
  3. λ3 is used to improve visibility in runways during fog and mist conditions.

Identify and name the part of the electromagnetic spectrum to which these radiations belong.Also arrange these wavelengths in ascending order of their magnitude.

 

Answer:

λ 1 -Microwave

λ 2 - ultraviolet

λ 3 - infrared

Ascending order - λ 2 <λ 3 <λ 1

Go Ad-free
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo