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A doctor prescribes a corrective lens of power - 0.5 D to a person. Find the focal length of the lens. Is this lens diverging or converging ? Give reason.How does the property of this lens can be used to correct eye defects ?​

Answer» <html><body><p><strong>Answer:</strong></p><p>Type your question...</p><p></p><p>12th</p><p>Physics</p><p>Ray Optics and Optical Instruments</p><p>Defects of Vision and Correction</p><p>A doctor has prescribed a <a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>...</p><p>PHYSICS</p><p>A doctor has prescribed a corrective lens of <a href="https://interviewquestions.tuteehub.com/tag/power-2475" style="font-weight:bold;" target="_blank" title="Click to know more about POWER">POWER</a> +1.5D. Find the focal length of the lens. Is the prescribed lens diverging or <a href="https://interviewquestions.tuteehub.com/tag/converging-933270" style="font-weight:bold;" target="_blank" title="Click to know more about CONVERGING">CONVERGING</a>?</p><p>December <a href="https://interviewquestions.tuteehub.com/tag/27-298706" style="font-weight:bold;" target="_blank" title="Click to know more about 27">27</a>, 2019</p><p>avatar</p><p>Bijayalaxmi Latha</p><p>Share</p><p>Save</p><p>ANSWER</p><p>Power of lens p=+1.5D</p><p></p><p>p= </p><p>f</p><p>1</p><p> </p><p> </p><p></p><p>1.5= </p><p>f</p><p>1</p><p> </p><p> </p><p></p><p> f= </p><p>1.5</p><p>1</p><p> </p><p> m</p><p></p><p> f= </p><p>15</p><p>10</p><p> </p><p> m</p><p></p><p> f= </p><p>3</p><p>2</p><p> </p><p> m=0.67m</p><p></p><p>Focal length of the lens is +0.67m.</p><p>The prescribed lens is converging in <a href="https://interviewquestions.tuteehub.com/tag/nature-1112013" style="font-weight:bold;" target="_blank" title="Click to know more about NATURE">NATURE</a></p></body></html>


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