JAMB - Physics (2000 - No. 12)

I. Coherence
II. Same frequency
III. Same wavelength
IV. Same Intensity

Which of the conditions above are necessary to produce interference fringes?
I and III
I, II and IV
I, II and III
II and III

Explanation

The necessary conditions to produce interference fringes are I (Coherence), II (Same Frequency), and III (Same Wavelength). Condition IV (Same Intensity) is not necessary.

Comments (0)

Advertisement