Two parallel slits each of width are separated by and are illuminated by light of…

PHYSICS · Subjective · A Level · Physics · Waves · Waves

Problem

Two parallel slits each of width

0.10\,\text{mm}

are separated by

0.40\,\text{mm}

and are illuminated by light of wavelength

500\,\text{nm}

. Determine the largest order bright fringe that will lie inside the central diffraction maximum of the single-slit envelope.