Give an example for an Era with its duration

1.	Give an example for an Era with its duration
Answer» <html><body><p><strong>Explanation:</strong></p><p>A doctor <a href="https://interviewquestions.tuteehub.com/tag/prescribes-7707237" style="font-weight:bold;" target="_blank" title="Click to know more about PRESCRIBES">PRESCRIBES</a> a <a href="https://interviewquestions.tuteehub.com/tag/connective-2034881" style="font-weight:bold;" target="_blank" title="Click to know more about CONNECTIVE">CONNECTIVE</a> lene of power + 0,25D to a person. The focal length of lens and the type is A. +<a href="https://interviewquestions.tuteehub.com/tag/4m-318788" style="font-weight:bold;" target="_blank" title="Click to know more about 4M">4M</a> & <a href="https://interviewquestions.tuteehub.com/tag/convex-933348" style="font-weight:bold;" target="_blank" title="Click to know more about CONVEX">CONVEX</a> lens <a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>. - 2m and convex lens C.+4m and concave lens D.- 4m and concave lens</p><p></p></body></html>

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