Question

What makes things visible to us? Why cannot we see a book is placed a behind a wooden screen and in a dark roon?

Answer 1

Answer:

Explanation:

light make the things visible

we cant see book placed behind wooden screen because wooden screen is opaque and light cannot pass through it to enable us to see

in a dark room there is no light,so light cannot pass through the eye to enable us to see

Answer 2

Reflection of light make things visible to us.In a dark room and behind a wooden screen no reflection of light takes place that's the only reason we can't see things..