Question : In the Young’s Double slit experiment, when we place a converging lens after the slits and place the screen at the focus of the lens, it
A. introduces an extra path difference in the parallel beam.
B. introduces no path difference in the parallel beam.
C. introduces an extra phase difference in the parallel beam.
D. introduces an extra fringe in the diffraction pattern.
Answer:B
Question : In the Young’s Double slit experiment, when we place a converging lens after the slits and place the screen at the focus of the lens, it
A. introduces an extra path difference in the parallel beam. B. introduces no path difference in the parallel beam. C. introduces an extra phase difference in the parallel beam. D. introduces an extra fringe in the diffraction pattern.