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- I need help with To demonstrate the phenomenon of interference we require two sources which emit radiation of
To demonstrate the phenomenon of interference we require two sources which emit radiation of
- Option 1)
nearly the same frequency
- Option 2)
the same frequency
- Option 3)
different wavelength
- Option 4)
the same frequency and having a definite phase relationship.
Answers (1)
As we learnt in
Thin Film Interference in Transmitted light -
- wherein
For constructive interference
For destructive interference
For interference phenomenon, two sources should emit radiation of the same frequency and having a definite phase relationship.
Correct option is 4.
Option 1)
nearly the same frequency
This is an incorrect option.
Option 2)
the same frequency
This is an incorrect option.
Option 3)
different wavelength
This is an incorrect option.
Option 4)
the same frequency and having a definite phase relationship.
This is the correct option.
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