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Purpose of an optical filter is to |
| Answer» <html><body><p> Transmit or absorb <a href="https://interviewquestions.tuteehub.com/tag/light-1073401" style="font-weight:bold;" target="_blank" title="Click to know more about LIGHT">LIGHT</a> of different colours</p><br/><br/><p>Optical filters are devices that <a href="https://interviewquestions.tuteehub.com/tag/selectively-7712470" style="font-weight:bold;" target="_blank" title="Click to know more about SELECTIVELY">SELECTIVELY</a> transmit light in a particular range of wavelengths, that is, colors, while blocking the remainder. They are commonly used in photography (where some special effect filters are occasionally used as <a href="https://interviewquestions.tuteehub.com/tag/well-734398" style="font-weight:bold;" target="_blank" title="Click to know more about WELL">WELL</a> as absorptive filters), fluorescence microscopy, spectroscopy, clinical <a href="https://interviewquestions.tuteehub.com/tag/chemistry-506" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMISTRY">CHEMISTRY</a>, colour <a href="https://interviewquestions.tuteehub.com/tag/stage-1223778" style="font-weight:bold;" target="_blank" title="Click to know more about STAGE">STAGE</a> lighting, etc.</p></body></html> | |