Which one of the following is used to measure the wavelength of X-rays?
Correct answer: C. Bragg's law
- A. Young's double slit experiment
- B. Diffraction grating
- C. Bragg's law
- D. Photoelectric effect
Explanation
Bragg's law is specifically designed to measure the wavelength of X-rays by utilizing crystal structures to create interference patterns. This method is crucial in understanding the properties of X-ray diffraction. The other options, such as Young's double slit experiment and diffraction grating, are used for different purposes and are not tailored for X-ray wavelength measurement. The photoelectric effect, while a significant experiment, does not relate to measuring X-ray wavelengths.
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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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