In Young's double-slit experiment, 30 fringes are obtained in the field of view of the observing
Channel: Doubtnut
Date: 2020-07-26

In Young's double-slit experiment, 30 fringes are obtained in the field of view of the observing telescope, when the wavelength of light used is `4000 Å`. If we use monochromatic light of wavelength `6000 Å`, the number of fringes obtained in the same field of view is