In an experiment to demonstrate interference of light,it is essential that
A)coherent sources of light be used.
B)the light paths differ by not more than one-half wavelength.
C)the light be monochromatic.
D)the beam of light be a parallel beam.
E)there be no difference in light paths.

Question

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The Answer of In an experiment to demonstrate interference of light,it is essential that
A)coherent sources of light be used.
B)the light paths differ by not more than one-half wavelength.
C)the light be monochromatic.
D)the beam of light be a parallel beam.
E)there be no difference in light paths.

In an Experiment to Demonstrate Interference of Light,it Is Essential