CBSE Class 12-science Answered
State the essential condition for observing interfernce of light.Two slits in Young's double slit experiment are illuminated by two different sodium lamps emitting light of the same wavelength. Why is no interference pattern observed?
Asked by Topperlearning User | 11 Jun, 2014, 03:29: PM
Expert Answer
For observing interference of light, the two sources of light must be coherent sources.
If the two slits in Young's double slit experiment are illuminated by two different sodium lamps emitting light of the same wavelength, then no interference pattern will be observed because phase difference between the light waves emitted from two different sodium lamps will change continuously.
Answered by | 11 Jun, 2014, 05:29: PM
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