Show all working explaining detailly each step.Answer Qa(i) & (ii) (a) A wedge-shaped film of air is formedbetween two, thin, parallel-sided, glassplates by means of a straight piece of wire.The two plates are in contact along oneedge of the film and the wire is parallel tothis edge.(1) Draw and label a diagram of theexperimental arrangement youwould use to observe and makemeasurementson interferencefringes produced with light normallyincident on the fiim.(ii) Explain the function of each part ofthe apparatus.(b) In such an experiment using light ofwavelength 589 nm, the distance be-tween the seventh and one hundred andsixty-seventh dark fringes was 26.3 mmand the distance between the junction ofthe glass plates and the wire was 35.6 mm.Calculate the angle of the wedge and thediameter of the wire.

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of air is förméd redge-shaped between two, thin, parallel-sided, glass plates by means of a straight piece of wire. The two plates are in contact along one edge of the film and the wire is parallel to this edge. (1) Draw and label a diagram of the experimental arrangement would usr you to observe and make

of air is förméd redge-shaped between two, thin, parallel-sided, glass plates by means of a straight piece of wire. The two plates are in contact along one edge of the film and the wire is parallel to this edge. (1) Draw and label a diagram of the experimental arrangement would usr you to observe and make

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 53P: The analysis shown below also applies to diffraction gratings with lines separated by a distance d....

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