हिंदी

Photons of an electromagnetic radiation has an energy 11 keV each. To which region of electromagnetic spectrum does it belong? -

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प्रश्न

Photons of an electromagnetic radiation has an energy 11 keV each. To which region of electromagnetic spectrum does it belong? 

विकल्प

  • X-ray region

  • Ultra violet region

  • Infrared region

  • Visible region

MCQ

उत्तर

X-ray region

Explanation:

E = `"hc"/lambda`

⇒ λ = `"hc"/"E"`

⇒ λ = `(6.6xx10^-34xx3xx10^8)/(11xx1000xx1.6xx10^-19)`

= 12.4 Å

Which belongs to X-ray region.

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