An anti-reflection coating is to be applied to the surface of a camera lens made from glass of index 1.50. Some MgF 2 is available with a refractive index of 1.38. What physical thickness of material should be applied to the lens to work in visible light?
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A: Solution: Given: d1 = diameter of sun = 1.39 x 109 m u = distance between sun and earth = 1.50 x…
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A: Given data:
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A: **As per our company guidelines we are supposed to solve only one question (if there are multiple…
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- The prism in Figure P22.32 is made of glass with an index ofrefraction of 1.64 for blue light and 1.60 for red light. Find(a) δR , the angle of deviation for red light, and (b) δB , theangle of deviation for blue light, if white light is incident onthe prism at an angle of 30.0°.A lens grinder wants to make a plane-convex lens with the radius of curvature 0.44 m and the focal length 0.8 m. What refractive index should the glass have?X rays are typically used to kill off cancer cells, however an issue some radiologists run into is the damage an x-ray may do to surrounding tissue. Because of this, accuracy plays a key role in radiation therapy. Suppose you are a medical physicist, and you have been given the task of choosing a medium with a proper index of refraction to bend the x rays such that they only hit the tumor. Suppose you know that the x ray comes in at an angle of 20 degrees with respect to the normal of your second medium. You know the tumor expands out to 5 degrees on either side of the normal what is the minimum index of refraction needed for the x ray to hit the tumor
- The critical angle for total internal reflection within a fiber optic cable is θC = 24.1°. What is the index of refraction (n) for the material it's made from?A laser beam of diameter d₁-1.1 mm is directed along the optical axis of a thin lens of focal length +4.7 cm (see figure below). (a) How far from the lens will the beam be focused? (b) A second positive lens is placed to the right of the first. Light emerges from the second lens in a parallel beam of diameter dy 3.6 mm. Thus the combination of lenses acts as a beam expander. Find the focal length of the second lens. Find the distance between the lenses.A camper is trying to start a fire by focusing sunlight onto a piece of paper. The diameter of the sun is 1.39 × 10⁹ m, and its mean distance from the earth is 1.50 × 1011 m. The camper is using a converging lens whose focal length is 10.3 cm. (a) What is the area of the sun's image on the paper? (b) If 0.752 W of sunlight pass through the lens, what is the intensity of the sunlight at the paper? (a) Number i (b) Number i Units Units
- A light ray enters a rectangular block of plastic at an angle Ɵ1 = 45.0˚ and emerges at an angle Ɵ2 = 76.0˚ , as shown in figure P22.57 (a)Determine the index of refraction of the plastic. (b) If the light ray enters the plastic at a point L=50.0cm from the bottom edge, how long does it take the light ray to travel through the plastic?A laser beam of diameter d1 = 1.3 mm is directed along the optical axis of a thin lens of focal length +5.1 cm (see figure below). (a) How far from the lens will the beam be focused?(b) A second positive lens is placed to the right of the first. Light emerges from the second lens in a parallel beam of diameter d2 = 3.9 mm. Thus the combination of lenses acts as a beam expander. Find the focal length of the second lens.Find the distance between the lenses.