Given: Wavelength, λ = 600 nm = 600 × 10⁻⁹ m and diameter of objective, d = 2 m. Limit of resolution of telescope, θ = 1.22λ/d = 1.22 × 600 × 10⁻⁹/2 = 3.66 × 10⁻⁷ rad.

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Accepted Answer

θ = 1.22λ/d. The formula for the limit of resolution of a telescope is θ = 1.22λ/d, which matches the given calculation. This is based on the diffraction limit of light.

Given: Wavelength, λ = 600 nm = 600 × 10⁻⁹ m and diameter of objective, d = 2 m. Limit of resolution of telescope, θ = 1.22λ/d = 1.22 × 600 × 10⁻⁹/2 = 3.66 × 10⁻⁷ rad.

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