JEE (Advanced) 2025 Question--12- #SingleSlitDiffraction #jeeadvanced2025 #jeeadvancedphysics

A single slit diffraction experiment is performed to determine the slit width using the equation, 𝑏𝑑 = 𝐷
𝑚λ, where 𝑏 is the slit width, 𝐷 the shortest distance between the slit and the screen, 𝑑 the distance between the 𝑚th diffraction maximum and the central maximum, and λ is the wavelength. 𝐷 and 𝑑 are measured with scales of least count of 1 cm and 1 mm, respectively. The values of λ and 𝑚 are
known precisely to be 600 nm and 3, respectively. The absolute error (in 𝜇m) in the value of 𝑏 estimated using the diffraction maximum that occurs for 𝑚 = 3 with 𝑑 = 5 mm and 𝐷 = 1 m is ___

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