Monochromatic light falls on two parallel slits separated by 0.40 mm

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

Problem

Monochromatic light falls on two parallel slits separated by 0.40 mm. A screen placed 1.20 m away shows consecutive bright fringes 1.8 mm apart. Calculate the wavelength of the light used.

Related theory

Young's Double-Slit Experiment
Interference
Optics
Interference of light and Young's experiment
Wave Optics
Waves

Browse the problem library