In mirrors the back surface is coated with a thin layer of :

1.	In mirrors the back surface is coated with a thin layer of :
Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/silver-644119" style="font-weight:bold;" target="_blank" title="Click to know more about SILVER">SILVER</a></p><br/><br/><p>In a spherical mirror, one of the two curved surfaces is coated with a thin layer of silver followed by a coating of <a href="https://interviewquestions.tuteehub.com/tag/red-613739" style="font-weight:bold;" target="_blank" title="Click to know more about RED">RED</a> lead oxide paint. Thus, one side of the spherical mirror is opaque and the other side is a <a href="https://interviewquestions.tuteehub.com/tag/highly-2102664" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHLY">HIGHLY</a> <a href="https://interviewquestions.tuteehub.com/tag/polished-602182" style="font-weight:bold;" target="_blank" title="Click to know more about POLISHED">POLISHED</a> reflecting surface.</p></body></html>

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