Wavelength of light used in an optical instrument are _ 1 =4000 and _ 2 =5000 , then…
Physics · JEE Main · NTA Exams — Optics
Wavelength of light used in an optical instrument are \(\lambda_{1}=4000 \AA \text { and } \lambda_{2}=5000 \AA\), then ratio of their respective resolving powers (corresponding to λ1 and λ2) is
- 16 : 25
- 9 : 1
- 4 : 5
- 5 : 4
Answer
(D) 5 : 4
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