when monochomatic light is incident for a short period of time on a thin barrier having to slit how will the screen placed in front of the slit appears?

Question

anonymous · Answer

Have a look: http://www.bing.com/images/search?q=diffraction+of+light&view=detailv2&&qpvt=diffraction+of+light&id=075FCE9D73B9B1DA77F902FC6BC9379DDF6196A2&selectedIndex=0&ccid=8ldH5l8a&simid=608002331233027455&thid=HN.608002331233027455&ajaxhist=0

anonymous · Answer

This experiment proves that light has wave-like properties.  It can interfere with itself and create an interference pattern.  What you see is a central maximum with maxima around it.