Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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# Visible Light Passing Through a Circular Hole Forms a Diffraction Disc of Radius 0.1 Mm on a Screen. If an X-ray is Passed Through the Same Setup, the Radius of the Diffraction Disc Will Be - Physics

ConceptElectromagnetic Spectrum

#### Question

Visible light passing through a circular hole forms a diffraction disc of radius 0.1 mm on a screen. If an X-ray is passed through the same setup, the radius of the diffraction disc will be

• zero

• < 0.1 mm

• 0.1 mm

• > 0.1 m

#### Solution

< 0.1 mm

Radius of the diffraction disc is directly proportional to the wavelength of the light used for the given hole. We know that the wavelength of an X-ray is less than the wavelength of visible light. If an X-ray is passed through the same setup, the radius of the diffraction disc will be less than 0.1 m.

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Solution Visible Light Passing Through a Circular Hole Forms a Diffraction Disc of Radius 0.1 Mm on a Screen. If an X-ray is Passed Through the Same Setup, the Radius of the Diffraction Disc Will Be Concept: Electromagnetic Spectrum.
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