Q29. A parallel beam of monochromatic light of wavelength 600 nm passes through single slit of 0.4 mm width. Angular divergence corresponding to second order minima would be $\_\_\_\_$ $\times 10 ^ { - 3 } \mathrm { rad }$.
Q29. A parallel beam of monochromatic light of wavelength 600 nm passes through single slit of 0.4 mm width. Angular divergence corresponding to second order minima would be $\_\_\_\_$ $\times 10 ^ { - 3 } \mathrm { rad }$.