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Which of the following actions performed on a rough metal surface significantly increases the proportion of incident light that undergoes specular reflection?1) Matte finish painting2) Polishing3) Etching4)
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14 votes
14 votes
Which of the following actions performed on a rough metal surface significantly increases the proportion of incident light that undergoes specular reflection?1) Matte finish painting2) Polishing3) Etching4) Sand blasting

User Risingtiger
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1 Answer

23 votes
23 votes

ANSWER:

2) Polishing

Explanation:

Specular reflection occurs only when the reflecting surface is not rough on the wavelength scale of light. Polishing a surface significantly increases the proportion of incident light that is specularly reflected.

User Keyur Mistry
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3.2k points
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