Question

what can u see in a completely dark room ? if u switch on an electric bulb in this dark room as a light source , explain how u could now see a) the electric bulb b) a piece of white paper​

Answer 1

a) We could see the electric bulb as light from the electric bulb enters our eyes.

b) We could see a piece of white paper as the light from the electric bulb reflects from the paper and enters our eyes.