Question

what can you say in complete dark room if you switch on electric bulb in the dark room as a light source explain how you can now see the electric bulb or a white paper ​

Answer 1

Answer:

Answer. When we see in a completely dark room, we are not able to see anything because there is no light in the dark room. (a) We can see bulb due to the light emitted by the bulb. (b) We can see a piece of white paper because it reflects the light from the bulb falling on it.