The focal length of a converging lens is measured for violet, green and red colours. It…
Physics · JEE Advanced · NTA Exams — Optics
The focal length of a converging lens is measured for violet, green and red colours. It is respectively fv, fg, fr. We will find
- fv = fr
- fv > fr
- fv < fr
- fg > fr
Answer
(C) f v r
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