Pre-lab 8
Lab Meeting Time:						Name:


	1. When two waves of light combine to form a resultant wave, what 
	   are the conditions that the resultant wave has 
		i. maximum amplitude
		ii. minimum amplitude					     (4)
















	2. Sketch the single slit diffraction pattern and also the two slit
	   interference pattern without modulations by single slit pattern.  (6)