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Wave Optics question

2017 · Q134
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Wave Optics question

2017 · Q134

NEETPhysicsWave OpticsMCQ+4 / −1
The ratio of resolving powers of an optical microscope for two wavelength λ\lambdaλ1 = 4000 A∘\mathop A\limits^ \circA∘​ and λ2{\lambda _2}λ2​ = 6000 A∘\mathop A\limits^ \circA∘​ is
  1. A
    9 : 4
  2. B
    3 : 2
  3. C
    16 : 81
  4. D
    8 : 27
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