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| 1. |
A thin lens has a focal length of -12 centimetre calculate the radius of curvature |
| Answer» <html><body><p><strong>Answer:</strong></p><p><strong>We</strong><strong> </strong><strong>kn</strong><strong>ow</strong><strong> that</strong><strong>,</strong></p><p><strong>Radi</strong><strong>us</strong><strong> of</strong><strong> curvature</strong><strong>=</strong><strong>2</strong><strong>×</strong><strong>f</strong><strong>o</strong><strong>c</strong><strong>a</strong><strong>l</strong><strong> </strong><strong>le</strong><strong>ngth</strong></p><p><strong>R</strong><strong>=</strong><strong>2</strong><strong>f</strong></p><p><strong>R</strong><strong>=</strong><strong>2</strong><strong>×</strong><strong>(</strong><strong>-</strong><strong>1</strong><strong>2</strong><strong>)</strong><strong>cm</strong></p><p><strong>R</strong><strong>=</strong><strong>-24cm</strong></p><p><strong>Explanation:</strong></p><p><strong>Hop</strong><strong>e</strong><strong> it</strong><strong> <a href="https://interviewquestions.tuteehub.com/tag/helps-1018140" style="font-weight:bold;" target="_blank" title="Click to know more about HELPS">HELPS</a></strong><strong> you</strong><strong> frnd</strong><strong>.</strong><strong>.</strong><strong>.</strong><strong>.</strong><strong>.</strong><strong>.</strong><strong>.</strong><strong>.</strong></p></body></html> | |