2) Using the distance from the bulb to the screen that you found in number 1 which is 60 (1) where do you need to place the mask relative to the bulb, so the bright spot is 3 times as large as the circular hole.i) The mask is the same as in problem (1)ii) Sketch set up, Show math ) label with numbers and units, include:

the bright spot on screen and distance between bulb and mask

Mask is 4 cm in diameter