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An object is placed at a distance of 36 cm from a convex lens. A real image is formed 24 cm from the lens. Calculate the focal length of the lens. |
Answer» <html><body><p>1/-36+1/24=1/f1/<a href="https://interviewquestions.tuteehub.com/tag/f-455800" style="font-weight:bold;" target="_blank" title="Click to know more about F">F</a>= -2/<a href="https://interviewquestions.tuteehub.com/tag/72-334274" style="font-weight:bold;" target="_blank" title="Click to know more about 72">72</a>+ 3/721/ f= 1/72focal <a href="https://interviewquestions.tuteehub.com/tag/length-1071524" style="font-weight:bold;" target="_blank" title="Click to know more about LENGTH">LENGTH</a> =72 <a href="https://interviewquestions.tuteehub.com/tag/cm-919986" style="font-weight:bold;" target="_blank" title="Click to know more about CM">CM</a></p></body></html> | |