JAMB Physics 2007 Objective — Question 4

Question 4 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2007 Objective paper, with the correct answer and a full explanation.

I. They should be identical II. They should originate from the same source III. They should be coherent IV. They should be monochromatic. From the statements above, the conditions for two waves to interfere are

A. I, III and IV only
B. I, II, III and IV
C. I, II and III onlyCorrect
D. II and III only

Explanation

For sustained interference, two waves must be identical, originate from the same source, and be coherent - statements I, II and III.

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