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WBJEE 2016 Physics Solved Paper
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© examsnet.com
Question : 33
Total: 40
For Fraunhoffer diffraction to occur
Light source should be at infinity
Both source and screen should be at infinity
Only the source should be at finite distance
Both source and screen should be at finite distance
Validate
Solution:
Both source and screen should be at infinity (condition of Fraunhofer diffraction’s experimental set-up)
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