Teaching UP TGT Mock Test Series 2025 Physics Optics Diffraction

A light of wavelength 4500Å is coming from a star. If the diameter of the objective lens of a telescope is 366 cm, then find the limit of resolution of the telescope.

1
1.5 × 10-8 radians
2
1.5 × 10-7 radians
3
3 × 10-7 radians
4
None of these
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