A single slit and screen arrangement is illuminated first with light of wavelength…

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

A single slit and screen arrangement is illuminated first with light of wavelength

500\,\text{nm}

and then with light of wavelength

600\,\text{nm}

. What is the ratio of the linear widths of the central maxima (width for

600\,\text{nm}

divided by width for

500\,\text{nm}

)? (a) 0.83 (b) 1.44 (c) 1.2 (d) 1.0