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Dual Nature of Radiation and Matter — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter1 Mark
MCQ
The X-ray beam emerging from an X-ray tube:
  • A
    Is monochromatic.
  • B
    Has all wavelengths smaller than a certain maximum wavelength.
  • C
    Has all wavelengths greater than a certain minimum wavelength.
  • D
    Has all wavelengths lying between a minimum and a maximum wavelength.
✓

Answer

  1. Has all wavelengths greater than a certain minimum wavelength.

Explanation:

The X-ray beam emerging from an X-ray tube consists of wavelengths greater than a certain minimum wavelength called cutoff wavelength.

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