In order to study the internal structure of crystals, we use
Correct answer: A. X-rays
- A. X-rays
- B. infrared rays
- C. ultraviolet rays
- D. visible light
Explanation
A is the correct option because X-rays are used to study the internal structure of crystals because they have wavelengths comparable to the interatomic spacing in crystals. This allows X-rays to undergo diffraction when passing through crystals, providing information about their internal structure.
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About Atomic Spectra
Atoms emit or absorb light at specific wavelengths because electrons occupy quantized energy levels and change levels by absorbing or releasing photons. The topic covers emission and absorption spectra, spectral series, hydrogen’s line spectrum, energy-level transitions, and the relation between wavelength, frequency and photon energy.
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