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X-rays are

  1. A
    electromagnetic radiations of very short wavelength.
  2. B
    beams of electrons.
  3. C
    electromagnetic radiations of very long wavelength.
  4. D
    visible to the naked eye.

Solution & Step-by-step Explanation

X-rays are a form of high-energy electromagnetic radiation with very short wavelengths (ranging from to nanometers). They are invisible to the naked eye and have high penetrating power.

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X-rays are
A
electromagnetic radiations of very short wavelength.
B
beams of electrons.
C
electromagnetic radiations of very long wavelength.
D
visible to the naked eye.

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