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42.The relation between radius of curvature (R) and focal length (f) of a spherical mirror is (a) R = 2f(b) 2R = f(c) P = 1| (d) R= |
Answer» <html><body><p>Lots of people think it is incorrect to end a <a href="https://interviewquestions.tuteehub.com/tag/sentence-25863" style="font-weight:bold;" target="_blank" title="Click to know more about SENTENCE">SENTENCE</a> in a preposition because, as we've just covered, a preposition is supposed to sit before a noun. (It is, after all, how preposition gets its name.) Therefore, if the preposition is the <a href="https://interviewquestions.tuteehub.com/tag/last-3704365" style="font-weight:bold;" target="_blank" title="Click to know more about LAST">LAST</a> word in the sentence, it can't sit before anything. So, there's some logic to this ruling, which many people <a href="https://interviewquestions.tuteehub.com/tag/follow-994211" style="font-weight:bold;" target="_blank" title="Click to know more about FOLLOW">FOLLOW</a>. However, this issue is far more complicated than many realise, and the best <a href="https://interviewquestions.tuteehub.com/tag/way-1450548" style="font-weight:bold;" target="_blank" title="Click to know more about WAY">WAY</a> to summarize it is by saying that, in the overwhelming majority of cases, it's perfectly acceptable - from a grammatical <a href="https://interviewquestions.tuteehub.com/tag/perspective-1152362" style="font-weight:bold;" target="_blank" title="Click to know more about PERSPECTIVE">PERSPECTIVE</a> - to end a sentence in a "preposition." (I'll explain the quotation marks later.)</p></body></html> | |