Question

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?​

Answer 1

Explanation:

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%

Answer 2

Answer:

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%