Environmental Studies Short Question | Gkseries

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three-coloured-sheets-of-equal-thickness-are-placed-in-a-light-beam-each-sheet-absorbs-20-of-light-incident-upon-it-what-is-the-intensity-of-light-transmitted-after-the-third-plate

Three coloured sheets of equal thickness are placed in a light beam. Each sheet absorbs 20% of light incident upon it. What is the intensity of light transmitted after the third plate ?

A 9.0%

B 10.5%

C 51.2%

D 40.0%

Answer & Explanation
Answer:51.2%