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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.
  • ✓
    Has all wavelengths greater than a certain minimum wavelength.
  • D
    Has all wavelengths lying between a minimum and a maximum wavelength.
✓

Answer

Correct option: C.
Has all wavelengths greater than a certain minimum wavelength.

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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