Complete the ray diagram by tracing the path of the reflected light using a dashed line and the refracted light using a solid line in Figures (a) and (b) below. (a) (b)
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- The figure below shows a monochromatic beam of light striking the right-hand face of a right-angle prism at normal incidence. If 0, = 23.1°, what is the index of refraction of the prism? (Assume a = 58.4°.)A person is standing in front of a large outdoor aquarium. Through the glass and the water they see a bird in the air above the aquarium tank. sketch the path that light will take getting from the bird to the person and indicate whether the bird is at a higher or lower angle than the person thinks (just including where they think the bird is in the picture will suffice.)1. What is the total internal reflection of light? And when does this take place? (necessary conditions) 2. Define critical angle (use a ray diagram)?
- Given the light fixture on the picture. In this device you will be able to change the beam angle from 5 to 60 degrees. Assume an isometric distribution of the light on the illuminated surface 1) If the distance to the floor is 3 meters, what will be the beam angle that will produce an Illuminated surface Diameter of 2 meters?using the table below, What is the refracted angle just before the refracted ray disappears? What happens to the incident ray when the critical angle is exceeded? Reading Number 1 2 3 average Incident Angle in Glass (º ) 39 40 42 40.33 Table 2 Critical Angles for Glass/Air Interface