In Young's double slit experiment, the distance between two consecutive bright or dark fringes is:
Correct answer: B. Lλ / d
- A. dλ / L
- B. Lλ / d
- C. d / Lλ
- D. L / λd
Explanation
The formula Lλ / d is the correct one to use in Young's double slit experiment for finding the distance between consecutive bright or dark fringes. This formula takes into account the wavelength of light, distance between the slits, and the distance to the screen. The other options provided do not correctly represent the relationship between these variables in the experiment.
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Light is studied through reflection, refraction, dispersion, interference, diffraction and polarization, linking ray behavior with its wave nature. Questions may involve mirrors, lenses, optical instruments, refractive index and image formation, while geometrical optics deals with rays and wave optics explains effects such as interference and diffraction.
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