While looking at a glass its width appears 2.4 mm and the real width appears as 3.0cm. What is the index refraction of the glass?

Q: 1. An object at infinity (or rather, very, very far away) is viewed through two consecutive nses.…

A: Concave lens A concave lens is one that bends a straight light beam away from the source and focuses…

Q: candle is placed  9 cm in front of a converging lens that has a focal length of 15 cm. 1. What is…

A: “Since you have posted a question with multiple sub parts, we willprovide the solution only to the…

Q: Telescope or microscope? Two lenses with ]\f1=10[cm] and ?2=−15 [cm]f2=−15 [cm] were placed a…

A: The lens formula is given by 1f=1v-1u The focal length of the first lens, f1= 10 cm The focal length…

Q: 3. A 15 cm tall object sits 80 cm to the left of a converging lens with a focal length of f1 = 30…

A: a. To find the image distance di₁ from the first lens, we can use the thin lens equation: 1/f₁ =…

Q: 10. I want to build a telescope with lenses of focal lengths 20 cm and 1 cm. a. Which lens is most…

A: (a)Magnification of a telescope is calculated as follows:

Q: 2. An object that is 3.0 cm tall is placed 6.0 cm in front of a thin diverging lens with a focal…

A: The height of the object: The object distance:  (The negative sign indicates that the object is…

Q: A microscope with a 6.0 ×× objective lens images a 1.4 mmmm diameter specimen. What is the diameter…

A: Magnification of the objective lens is Diameter of the object is Find:Diameter of the image.

Q: A certain microscope has an objective lens that has a focal length of 2.00 cm, and an eyepiece of…

A: focal length of objective lens =2.00cmfocal length of eye lens=5.00cmdistance between the lenses =…

Q: 2. An object is placed 8.0 cm to the left of a diverging lens of focal length -6.00 cm. A converging…

A:

Q: A microscope with a 6.0 ×× objective lens images a 1.1 mmmm diameter specimen. What is the diameter…

A: Magnification of the objective lens is Diameter of the object is Find:Diameter of the image.

Q: 2. Which of the two lenses shown in Fig. 2.1 is converging, and which is diverging?

A: THE LENS IN THE RIGHT HAND OF THE BOY IS DIVERGING THE LENS IN THE LEFT HAND OF THE BOY IS…

Q: Part B (work to be submitted): 1. Sunlight is observed to focus at a point 18.5 cm behind a lens. a.…

A:

Q: Determine the radii of curvatures of a thin lens with focal length f = −120 mm and index n = 1.5,…

A: Given, Focal length=-120mm  Refractive index n=1.5

Q: 10. In the figure, light is incident at angle e1 = 42° on a boundary between two transparent…

A:

Q: The image of one kind of United State postage stamp is 3.88 times the size of the actual stamp in…

A:

Q: Suppose we model the cornea of the human eye as a thin lens with a focal length of 2.00 cm. We also…

A: Given: The focal length of the lens is 2 cm. The refractive index of the material is 1.38. The front…

Q: 1. A diverging lens creates a picture at 10.4 cm from the lens from an item that is 27.5 cm from the…

A: 1) object distance (d) = 27.5 cm image distance (i) = - 10.4 cm

Q: the magnifying glass 13cm from the object. a. Where is the image of the object? b. What is the…

A:

Q: Ꮎ Mirror Glass (n=1.5) X Air (n=1) y |h

A:

Q: 1. You are trying to photograph a bird sitting on a tree branch, but a tall hedge is blocking your…

A: Given; The x distance is x=3.3 m. The y distance is y=4.5 m. From figure, The bird distance on…

Q: A certain slide projector has a 145 mm focal length lens.

A: Given  Focal length f=145 mm object distance u= - 152mm Dimension of slide 14 by 21 mm

Q: 2. Consider a camera lens, whose focal length is 50 mm, is made up of a telephoto lens (one positive…

A: Given,

Q: An object with height y =15.0 cm is placed on the optical axis in front of a converging lens with an…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts (a, b,…

Q: A camera lens used for taking close-up photographs has a focal length of 24.9 mm. The farthest it…

A: focal length (f)=24.9mm  farthest placed from the film=33.4mm

Q: 1.If you place an ice cube into a glass of water with the same refractive index, will you be able to…

A: To answer :  1.If you place an ice cube into a glass of water with the same refractive index, will…

Q: 7. You have four lenses with the following focal lengths: 2.0 cm, 8.0 cm, 32.0 cm, and 128 cm. a) If…

A: Given:-  We have a four-lens with a focal length as  f1=2.0 cm f2= 8.0 cm f3= 32.0 cm f4= 128 cm…

Q: What is the refractive (focusing) power for the following lenses: a. A converging lens with focal…

A:

Q: A 2.0-cm-tall object is 20 cm in front of a converging lens that has a 15 cm focal length. a. Use…

A: Visualize the Problem:

Q: 1. An amateur astronomer has a telescope to examine distant stars and nebulae. The focal length of…

A:

Q: Chapter 34, Problem 043 A movie camera with a (single) lens of focal length 95 mm takes a picture of…

A: The law of distance be defined as, Where, f be defined as the focal length. p be defined as the…

Q: A compound light microscope with an objective focal length of 5.00 mm has a barrel length that is 10…

A: one question for one post. please post a remaining questions in a new post.

Q: 1. A small object is 25.0 cm from a bi-concave diverging lens, a second biconvex lens with focal…

A:

Q: ** 30. A pebble 1 cm tall is placed 40 cm to the left of a +5-diopter lens. A -5-diopter lens is…

A: Given that **30. A pebble 1 cm tall is placed 40 cm to the left of a +5-diopter lens. A -5-diopter…

Q: 4. A projector has a 0.010m tall LCD display, which is projected onto a screen by its lens. The…

A: The magnification of lens,  m = h'/h = v/u Where m= magnification h’= height of the image h = height…

Q: . An object is at a distance of 12 cm from a positive lens (f = 9 cm) and at a distance of 21 cm…

A: Given: The distance of the object from the positive lens is 12 cm. The distance of the object from…

Q: 1. You are trying to photograph a bird sitting on a tree branch, but a tall hedge is blocking your…

A: Solution: given that x = 3.3 m y = 4.9 m distance between the bird and mirror=2.1 m

Q: 1. What are the differences between real and virtual images? How can you tell (by looking) whether…

A: The mirror is the equipment which speculate the light placing  on them. Lenses  which are used to…

Q: A refracting telescope has a 0.988 m diameter objective lens with focal length 8.35 m and an…

A:

Q: An object with a height of 20 cm is reflected from a mirror. The image reflected from the mirroris…

A: The problem is based on basic optical mirror concept.using the relation between magnification with…

Q: A 15 cm object sits 80 cm to the left of a converging lens with a focal length of f=30 cm. There is…

A: The height of the object is 15 cm. The distance of the object from the lens is 80 cm. The focal…

Q: 1. What are the differences between real and virtual images? How can you tell (by looking) whether…

A: As you mentioned above, I am going to answer only the 2nd question Question: 2. Why are diverging…

Q: 1. What is the paraxial transverse magnification of the following situation? Object is in contact…

A: Given : lens has two surface  one is flat surface with radius R2 =  ∞ and other one is hemispherical…

Q: A pebble 1 cm tall is placed 40 cm to the left of a +5-diopter lens. A -5-diopter lens is placed 30…

A: A pebble 1 cm tall is placed 40 cm to the left of a +5-diopter lens. A -5-diopter lens is placed…

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: