A telescope with objective diameter R is used to observe a distant star emitting light of wavelength 500 nm , at a resolution of \(5\times {10}^{-7}\) radian. The value of R is_____ cm.

[04 April, 2026 (Shift-I)]

Question

A telescope with objective diameter R is used to observe a distant star emitting light of wavelength 500 nm , at a resolution of \(5\times {10}^{-7}\) radian. The value of R is_____ cm.

[04 April, 2026 (Shift-I)]

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