Force of a light beam on a surface that absorbs part of it and reflects the rest

1. A.
   $4.5 \times 10^{- 7}\text{ }N$
2. B.
   $1.5 \times 10^{- 7}\text{ }N$
3. C.
   $3 \times 10^{- 7}\text{ }N$
4. D.
   $9 \times 10^{- 7}\text{ }N$

Tap an option to check your answer.

1. A.
   $3.2 \times 10^{-8}$ N
2. B.
   $3.2 \times 10^{-7}$ N
3. C.
   $5.12 \times 10^{-7}$ N
4. D.
   $5.12 \times 10^{-8}$ N

Tap an option to check your answer.