CBSE Class 12-science Answered
Why is the intensity of light is directly proportional to the square of amiplitude
Asked by vashu7985864937 | 23 Dec, 2021, 12:28: AM
Expert Answer
Light is electromagnetic radiation .
Intensity of electromagnetic wave I = (1/2) ε E2 c
where ε is permittivity of medium , E is intensity of elecric field and c is speed of light
Since Electric field intensity is proportional to amplitude and intensity of light is proportional to
square of electric field intensity , then intensity of light is proportional to square of amplitude .
Answered by Thiyagarajan K | 23 Dec, 2021, 08:10: AM
Concept Videos
-
Nature and characteristics of electromagnetic waves ...
This video explains nature and characteristics of electromagnetic waves. -
Electromagnetic Waves - Part 2
This video explains other characteristics of the electromagnetic waves and ... -
Electromagnetic Waves - Exam Decoded ...
This video contains practice questions on characteristics of em waves.
CBSE 12-science - Physics
Asked by kulhariabhijeet | 21 Apr, 2024, 02:39: PM
ANSWERED BY EXPERTCBSE 12-science - Physics
Asked by writetoakashyadav | 28 Feb, 2024, 07:41: PM
ANSWERED BY EXPERTCBSE 12-science - Physics
Asked by munaxa013 | 19 Jan, 2024, 01:21: PM
ANSWERED BY EXPERTCBSE 12-science - Physics
Asked by sagarmishra | 06 Mar, 2023, 04:07: PM
ANSWERED BY EXPERTCBSE 12-science - Physics
Asked by vashu7985864937 | 23 Dec, 2021, 12:28: AM
ANSWERED BY EXPERTCBSE 12-science - Physics
Asked by mufeedatvp2000 | 19 Apr, 2020, 04:20: PM
ANSWERED BY EXPERTCBSE 12-science - Physics
Asked by dumpapurush | 22 Oct, 2018, 10:48: AM
ANSWERED BY EXPERTCBSE 12-science - Physics
Asked by ashwin.mts | 01 Oct, 2018, 05:27: PM
ANSWERED BY EXPERTCBSE 12-science - Physics
Asked by mbinukurian1971 | 25 Jul, 2018, 12:29: AM
ANSWERED BY EXPERTCBSE 12-science - Physics
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
