A typical television newscast has three cameras. The centercamera directly faces the news anchor's desk. The other two cameras are both angled 45 degrees away from the center camera. Suppose each camera has a field of 60 degrees. What is the total angle covered by the three cameras? Explain your reasoning.
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A typical television newscast has three cameras. The centercamera directly faces the news anchor's desk. The other two cameras are both angled 45 degrees away from the center camera. Suppose each camera has a field of 60 degrees. What is the total angle covered by the three cameras? Explain your reasoning.
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- Part A: State the characteristics of the image formed by a converging lens when the object is distance is less than the focal length of the lens. An object (2.0 mm high) is place at a distance of 30 cm in front of a diverging lens of focal length 20 cm. Calculate the image distance of the image produced by the lens and verify all the characteristics listed in question (2).Homework 12 Problem 6: An object is located in air, 35 cm from the vertex of the concave surface of a block of glass (as viewed from the air side of the surface). The surface’s radius of curvature is 15 cm. Use these indices of refraction: nair = 1.0 and nglass = 1.5. Part (a) Find the refraction image distance, in centimeters. Include its sign. s' = ______ Part (b) What is the magnification of the image? Include the magnification’s sign to indicate the orientation of the image with respect to the object. m = ______Two thin lenses with focal lengths of magnitude 15.0 cm, the first diverging and the second converging, are placed 12.00 cm apart. An object 3.00 mm tall is placed 5.50 cm to the left of the first (diverging) lens. Where is the image formed by the first lens located? Please provide a detailed explanation of the process. How far from the object is the final image formed? Please describe the steps taken to reach to your conclusion.
- The vertical distance between eye level and the ground for a certain swimmer, who is standing upright, is 1.55 m. If the swimmer is standing 2.00 m from the edge of a 2.50-m-deep swimming pool, how far from the base of the pool will the swimmer be able to see a coin that is at the bottom of the pool? The swimmer is represented by the upward directed arrow in the diagram, and the distance between the base of the pool and the coin is “d”. The index of refraction of water is 1.33. a. 1.55 m b. 0.950 m c. 1.85 m d. 2.15 m e. 1.25 mIn order to identify an unknown material you are asked to solve for the critical angle of the material. In order to test this you set up a beam of light that strikes the unknown substance from air (n = 1.0) at an angle of 30° with respect to the normal. It continues on in the substance at an angle of 23° with respect to the normal. What is the critical angle for the unknown substance? 51° 55° 60° 63°Spherical refracting surfaces. An object O stands on the central axis of a spherical refracting surface. For this situation (see the table below, all distances are in centimeters), nį is the index of refraction where the object is located, n2 is the index of refraction on the other side of the refracting surface. Find (a) the image distance i, and determine whether the image is (b) real or virtual and (c) on the same side of the surface as object O or on the opposite side. (a) (b) (c) n1 n2 p ri R/V Side 1.5 1.3 +70 +56 (a) Number i Units (b) (c) > >
- An object is 19.5 cm from the center of a spherical silvered-glass Christmas tree ornament 6.20 cm in diameter. ▼ Part A What is the position of its image (counting from the ornament surface)? Follow the sign rules. Express your answer with the appropriate units. s' = Submit ▾ Part B m = HA Value Submit Request Answer What is the magnification of its image? VG ΑΣΦ Units Request Answer PYREX ? ?Chapter 34, Problem 034 SN When an object is placed a distance p in front of a spherical refracting surface with radius of curvature r, the image distance is i. If the index of refraction of the surrounding material Is n1, what is the index of refraction of the refracting material? State your answer in terms of the given variables. n2 = 2 Edit