Monochromatic lights of wavelengths and pass through the same single slit

PHYSICS · Subjective · CBSE · Physics · Wave Optics · Wave Optics

Problem

Monochromatic lights of wavelengths

450\,\text{nm}

and

675\,\text{nm}

pass through the same single slit. (i) Which wavelength produces the broader central maximum? (ii) Calculate the ratio of their angular widths.