For an aperture of 5 \times 10^{-3} m and a monochromatic light of wavelength \lambda, the distance for which ray optics becomes a good approximation is 50 m , then \lambda=

TG EAMCET 2 May 2025 Shift 2 Paper

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For an aperture of 5×10−3m and a monochromatic light of wavelength λ, the distance for which ray optics becomes a good approximation is 50 m , then λ=

5000Å
6000Å
5400Å
6500Å

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