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A convex lens has 4 dioptre power .find out the focal length?pls give me a right answer.​

Answer» <html><body><p><strong>Answer:</strong></p><p>0.25 m</p><p><strong>Explanation:</strong></p><p>The <a href="https://interviewquestions.tuteehub.com/tag/relation-1183220" style="font-weight:bold;" target="_blank" title="Click to know more about RELATION">RELATION</a> between <a href="https://interviewquestions.tuteehub.com/tag/lens-1071845" style="font-weight:bold;" target="_blank" title="Click to know more about LENS">LENS</a> <a href="https://interviewquestions.tuteehub.com/tag/focal-2648683" style="font-weight:bold;" target="_blank" title="Click to know more about FOCAL">FOCAL</a> <a href="https://interviewquestions.tuteehub.com/tag/length-1071524" style="font-weight:bold;" target="_blank" title="Click to know more about LENGTH">LENGTH</a> and its power is</p><p>Focal length (m) =1/power(m^-1)</p><p>= 1/4</p><p>= 0.25 meter</p><p></p><p>Mark it as <a href="https://interviewquestions.tuteehub.com/tag/brainliest-1995348" style="font-weight:bold;" target="_blank" title="Click to know more about BRAINLIEST">BRAINLIEST</a> </p></body></html>


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