a) In Youngs double slits experiment, what changes will you observe in fringe width for the following operations: i) When experiment is shifted from…
Class 12 Physics · 2080 · Solved Question with Answer
a) In Youngs double slits experiment, what changes will you observe in fringe width for the following operations:
i) When experiment is shifted from air to inside water
ii) When slits width is increased?
b) i) What is diffraction of light?
ii) Calculate the width of central diffraction peak on a screen 4m behind a 0.01m slit illuminated by 600nm light source.
OR
a) How can a spherical wave front be changed into plane wavefront? Draw a diagram to justify your answer.
b) Apply Huygen's principle to verify the law of reflection of light.