- #1
Astro Student
- 16
- 0
Homework Statement
A slab of glass 0.5 m thick absorbs 50% of light passing through it. Compute how thick of a slab of identical glass you would need that:
- absorbs 90% of light
- absorbs 99% of light
- absorbs 99.9% of light
Homework Equations
I spent an hour looking for formulas in my textbook and couldn't find any, which is the primary reason I'm having trouble.
The Attempt at a Solution
N/A