lab36 - LAB#36 THE INTRODUCTION TO RAY OPTICS INDEX OF...

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LAB #36 THE INTRODUCTION TO RAY OPTICS/ INDEX OF REFRACTION APPARATUS: Optics Bench, Light Source, Ray Table and Base, Component Holder, Slit Plate, Ray Table Component Holder, Viewing Screen, Graphic analysis software and a Computer. PROCEDURE: Setup the equipment as shown above, and turn on the Light Source. Darken the room enough so the light rays on the Ray Table are easily visible. THE STRAIGHT LINE PROPAGATION OF LIGHT Observe the light rays on the Ray Table. 1. Are the rays straight? 2. How does the width and distinctness of each ray vary with the distance from the Slit Plate? Rotate the Slit Plate slowly on the component holder until the slits are horizontal. Observe the slit images on the Viewing Screen. 3. How does the width and distinctness of the slit images depend on the angle of the Slit Plate? 4. For what angle of the Slit Plate are the images most distinct? For what angle are the images least distinct? 5. On a separate sheet of paper, explain your observations in terms of the straight line propagation of light. Include a diagram showing how the width of the slit images depends on the orientation of the Light Bulb filament with respect to the Slit Plate RAY TRACING: LOCATING THE LIGHT BULB FILAMENT You can use the fact that light propagates in a straight line to measure the distance
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lab36 - LAB#36 THE INTRODUCTION TO RAY OPTICS INDEX OF...

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