Exercises

Exercises # 1
   


 Two bodies illuminate towards a screen where 5 points are located, but an opaque    object AB is interposed. According to the graph, determine:

   a) What points on the screen are illuminated by F1?

b) Which points on the screen are illuminated only by F2?

   c) Which points on the screen are illuminated at the same time by the two bulbs?

   d) At what points is shadow generated?

   

Answers

a)     5-2-1

b)    1-4-5

c)     1-5
d) 3

Exercice # 2