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Investigating Light Interference and Diffraction

Check Plagiarism PLAGIARISM SCAN REPORT Date May 02, 2024 Exclude URL: NO Unique Content 100 Word Count 875 Plagiarized Content 0 Records Found 0 CONTENT CHECKED FOR PLAGIARISM: PHYS 201 Lab 01 Interference and Diffraction Using Visible Light Introduction The purpose of this lab is to investigate the phenomenon of light interference. This happens when two or more light waves of the same frequency overlap and create recognizable interference patterns. By using interference, the wave nature of light is better understood than the particle-like behavior of light or the predictions of ray optics. Our goal is to investigate the circumstances surrounding interference, the variables affecting interference patterns, and the practical applications of interference phenomena. By carrying out controlled experiments and evaluating the obtained data, we aim to enhance our comprehension of the fundamentals of wave optics and acquire vital abilities in experimental planning and data interpretation. Procedure The laboratory experiment is divided into two main parts: There are two primary components to the laboratory experiment: Part 1: Single Slit Diffraction: In this section, a target positioned behind the slit is used to view the diffraction pattern produced by directing a laser beam through a single slit. Part 2: Two-Slit Interference: This experiment investigates two-slit interference after determining single-slit diffraction. Two identical slits are used to pass coherent light through, and the interference pattern is examined. By changing the distance between the slits, variations in the interference pattern can be seen. After turning on the laser, the right slit accessory is chosen for the intended experiment. The light pattern is confirmed to pass through the aperture and reach the light sensor after the laser's aim has been adjusted to ensure alignment with the slit. After that, the DataStudio program is configured for data gathering and analysis. After everything is set up, data recording starts with the sensor being moved across the interference pattern Page 1 of 3 ... while light intensity is being monitored. After that, recorded data is examined to find and assess interference patterns, as well as to identify local intensity minima and gauge measurement errors. Data PHYS 201 Lab 01 DATA SHEET Experiment 1: Single Slit a = 0.16mm m L R (R-L) / 2 Theoretical % error 1 8.5329 9.2371 .3521 0.325 cm 8.3(.0934 9.3862 .6464 0.650 cm 0.57.6549 9.6172 0.9812 0.975 cm 0.63G.2680 10.0138 1.3729 1.300 cm 5.6% Experiment 2: Single Slit a = 0.08mm m L R (R-L) / 2 Theoretical % error 1 9.0483 10.3735 0.6626 0.650 cm 1.9(.4721 11.0231 1.2755 1.300 cm 1.87.6852 11.6021 1.9584 1.950 cm 0.43G.0178 12.4174 2.6998 2.600 cm 3.8% Experiment 3: Double Slit a = 0.04mm d = 0.25mm n L R (R-L) / 2 Theoretical % error 1 8.5037 8.7261 0.1112 0.104 cm 6.9(.3119 8.9563 0.3222 0.312 cm 3.368.1092 9.2309 0.5609 0.520 cm 7.89G.8915 9.4027 0.7556 0.728 cm 3.79% Experiment 4: Double Slit a = 0.04mm d = 0.50mm n L R (R-L) / 2 Theoretical % error 1 8.4570 8.5693 0.05615 0.052 cm 7.98(.3329 8.6416 0.15435 0.156