Physics > 2000 > 13
JAMB UTME
I. coherence
II. same frequency
III. Same wavelength
IV. Same intensity.
Which of the condition above are necessary to produce interference fringes?
II. same frequency
III. Same wavelength
IV. Same intensity.
Which of the condition above are necessary to produce interference fringes?
A.
I, II and III
B.
I and III
C.
I, II and IV
D.
II and III
Answer: A
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