If a point source is located on a line at 45 to the line joining the two telescopes
Chapter 32, Problem 74(choose chapter or problem)
If a point source is located on a line at 45 to the line joining the two telescopes (source 2 in Fig. 32.30), electromagnetic waves reaching the two will be a. in phase. b. out of phase by 45. c. out of phase by 90. d. you cant tell without further information
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