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Wave Optics — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
MCQ
The resolving power of a refracting telescope is increased by'
  • A
    using oil-immersion objective
  • B
    increasing the diameter $D$ of the objective lens
  • C
    resorting to short-wavelength radiation
  • ✓
    increasing $D$ and using smaller $\lambda$
✓

Answer

Correct option: D.
increasing $D$ and using smaller $\lambda$
increasing $D$ and using smaller $\lambda$.

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