Question

why is silvering not 100% reflective? because it isnt shiny because there are tiny holes - some light is transmitted rewatch

Explanation:

Silvering is a coating process. In reality, no coating is perfect. Tiny holes in the silvering allow some light to pass through (transmitted), rather than being fully reflected. Shiny appearance is not the key factor here as even shiny - looking surfaces with microscopic imperfections (like tiny holes) won't be 100% reflective.

Answer:

Because there are tiny holes - some light is transmitted