Interference cannot be observed in two sodium | vedclass

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(A) For the interference pattern to be observed,the two light sources must be coherent. Coherent sources are those that emit light waves of the same f

Vedclass · Accepted Answer

constant phase difference

Vedclass · Answer

(A) For the interference pattern to be observed,the two light sources must be coherent. Coherent sources are those that emit light waves of the same frequency and maintain a constant phase difference over time. Two independent light sources,such as two sodium lamps,emit light due to independent atomic transitions. These transitions occur randomly,causing the phase of the emitted light to change rapidly and independently for each source. Therefore,the phase difference between the waves from two independent sources is not constant,and interference cannot be observed.

Interference cannot be observed in two sodium lamps of equal power because the two waves do not have a .....

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