Which of the following is not an essential condition for
interference

(a) The two interfering waves must be propagated in almost
the same direction or
the two interfering waves must intersect at a very small
angle
(b) The waves must have the same time period and wavelength
(c) Amplitude of the two waves should be the same
(d) The interfering beams of light must originate from the
same source.

Answer Posted / happyguy

For interference it is not essential that Amplitude of the
two waves should be the same. Other conditions arre
essential.

So ans is (c).

Is This Answer Correct ?    9 Yes 4 No



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