PHY.3 What is the focal length of a flint glass converging lens with radii of curvature 4cm and 5cm ? The lens from question 2 is used to produce the image of anobject 0.9 meters in front of the le a. At what distance from the lens is the object's image?
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PHY.3
What is the focal length of a flint glass converging lens with radii of curvature 4cm and 5cm ? The lens from question 2 is used to produce the image of an
object 0.9 meters in front of the le a. At what distance from the lens is the object's image?
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- An object of heigh 9 cm is placed 25 cm in front of a converging lens of focal length 10 cm. Behind the converging lens, and 20 cm from it, there is a diverging lens of the same focal length. A.) Find the location of the final imag, in centimeters with respect to diverging lens. B.)What is the magnifcation of the final image? C.) Is the final image upright or inverted?Cameras focal length: 900mm. a. Compute for the image location and the size of the image on the film of a 5m high monument that is at a distance of 20m. b. Describe the image. Is it real or fake? Is it inverted or upright? Is it diminished or enlarge?A magnifying lens has a focal length of 25 cm. A coin is brought to 20 cm from the magnifying lens. What distance from the lens, di, does the image form at? What is the magnification, M? What are the image properties?
- S carson scover A compound microscope has an objective and eyepiece. Their focal lengths are respectively 0.450 cm and 0.700 cm. The "specimen" is placed 0.475 cm in front of the objective. If the final image formed by the eyepiece is 9.50 cm to the left of the eyepiece, calculate the separation between the objective and the eyepiece in cm. Use three significant digits.you are given a diverging lens (focal length is 30 cm) placed 35 cm tothe left of a converging lens (focal length is 15 cm). An object is placed 90 cm to the left of the diverging lens.A. Find the location and magnification of the image formed by the diverginglensB. Find the location and magnification of the final imageC. What is the total magnification of this lens combination?D. Construct a ray diagram to describe the above image formationA 1.4-cm-tall object is 54 cm in front of a diverging lens that has a -27 cm focal length. Part A Calculate the image position.
- A candle, 10 cm tall, stands 50 cm from a diverging lens wvhose focal length is 20 cm.a.Find the location of the image.b.Find the magnification of the image.c.Describe (real virtual/upright/inverted) d.Find the height of the image e.Draw ray diagrams to obtain the image characteristicsH.W) An object is placed in front of a concave mirror of focal length 20 cm. the image is virtual with twice the height of the object. Calculate ?a) the object-mirror distance ?b) the imagemirror distanceQ1: answer about one the following questions brainly. A:What happens for 01,02 ,v1 ,V2 when a beam of light travels from air to water?Why? B: A rectangular glass slab ABCD of refractive index nl, is immersed in water of refractive index n2(nl>n2). A ray of light is incident at the surface AB of the slabas shown in the figure. The maximum value of angle of incidence amax, such thatthe ray comes out only from the other surface CD, is given by A D n2 n1 a max B
- A. If an 8 cm doll is standing away from a diverging lens and the focal length is 6 m, find the image distance, magnification, and image height from 4, 8, and 10 m away. B. Determine if the image is real or virtual, inverted or erect, smaller or larger. Use the formula below:A lens has 2 focal points or foci as shown in the drawings below... A. A convex-convex lens is a converging lens. P rays that enter the lens from the left side will converge at and pass through the focal point on the right or far side. The focal point on the left or near side is not used. Sketch three P rays passing through the converging lens provided. Note: Instead of refracting the ray at each interface, assume the ray refracts only once, at the dashed central bisector of the lens B. A concave-concave lens is a diverging lens. P rays entering from the left will diverge away from the focal point on the left. The right side focal point is not used. Sketch 3 P rays passing through the diverging lens provided.An small, toy tree is placed at 1.33 times the focal length away from the lens. Draw the complete ray diagram for this situation. State whether the image is real/virtual, upright/inverted, and bigger/smaller. If the tree is 14.5 cm tall and the focal length of the is+25 cm, calculate d, hi, magnification.