(a) If you hold a mirror in front of you in a completely dark room, can you see your image in the mirror? Give reason for your answer.

(b) What are the three things required to observe a shadow?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

(a) No image can be seen in the mirror because there is no light to be reflected by mirror.

(b) We require three thing to observe a shadow: (i) a source of light (ii) an opaque object (to obstruct the path of light), and (iii) a screen on which the shadow can be seen.

 

Answered by  | 4th Jun, 2014, 03:23: PM