Thirty-five centimetres is the shortest distance at which you can clearly distinguish two persons from each other. What kinds of lenses are he especially good with for visualising his surroundings? Since why

Q: A telescope has an upward-pointing concave mirror of focal length 40 cm which, every night, collects…

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Q: What power of a contact lens will allow a person with a near point of 80 cm to read a book that is…

A: Given data: The virtual image is v=-80 cm The object is u=-25 cm

Q: Josh cannot see objects clearly beyond 25.0 cm (his far point). If he has no astigmatism and contact…

A: (a) Since the person cannot see objects beyond 25.0cm, he must be suffering from myopia. The lens…

Q: A person with a normal lens-to-retina distance wears contact lenses with an optical power of 1.54 D…

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Q: A patient has a near point of 42.3 cm and far point of 90.6 cm. Can a single lens correct the…

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Q: A person with a normal lens-to-retina distance wears contact lenses with an optical power of 1.54 D…

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Q: For a lens imaging an object: (a) what is the depth-of-focus (DOF) using the lens fi# for an object…

A: The depth of focus is the range of distances in which the picture behind a camera lens or other…

Q: Luis is nearsighted. To correct his vision, he wears a diverging eyeglass lens with a focal length…

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Q: 3) Your object distance is 240 cm, and your focal length is 80 cm. Use the thin-lens equation to…

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Q: Table 2: Two Lenses fi(cm) P₁(cm) q₁(cm) 10 30 5.0 30 10 10 d(cm) 40 25 5 f₂(cm) P₂(cm) 5.0 5.0 5.0…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: The cornea of the eye has a radius of curvature of approximately 0.50 cm , and the aqueous humor…

A: Part (a)Given:The radius of curvature of eye is .The refractive index of humor is .The depth of…

Q: The near point of a farsighted person is 65 cm. What power contact lens must he use to correct this…

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Q: 8 (a) What object distance is requiredto give an image with a magnification of +2.0? Assume that…

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Q: Two red lights (λ = 700 nm) are separated by a distance d = 24 m. What is the maximum distance that…

A: Given data: λ=700 nmd=24 mR=3.5 cm Here, λ is the wavelength, d is the separation between the…

Q: An office administrator realizes that she is having trouble doing her work due to eyesight problems.…

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Q: ) The point near a person suffering from farsightedness is located at a distance of (75 cm) from the…

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Q: The near and far points of a person are at 40 cm and 250 cm respectively. Find the power of the lens…

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Q: Q 17) The point near a person suffering from farsightedness is located at a distance of (75 cm) from…

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Q: a) Based on your principal ray diagram, is the image virtual or real? Explain how you ca tell. b)…

A: Concave lenses and convex lenses are spherical lenses. A concave lens diverges the light rays…

Q: An office administrator realizes that she is having trouble doing her work due to eyesight problems.…

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Q: What power of reading glasses is needed for a person whose near point is 125 cm so that they may…

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Q: A particular camera lens has a focal length of 200 mm. If it can take images of objects from 3…

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Q: A school boy uses a 2.0 D lens to enable him to see objects at infinity. What is the near point of…

A: Given: A school boy uses a 2.0 D lens to enable him to see objects at infinity   Power = 2.0 D

Q: A nearsighted physicist cannot see things clearly beyond 90 cm from her eyes. What is the power of…

A: When a nearsighted physicist cannot see things clearly beyond 90 cm from her eyes, the object…

Q: A student's eyes, while reading the blackboard, have a power of 51.3 D. How far in m is the board…

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Q: Masha is using a microscope to study Bascillus subtilis, which is a rod-shaped bacterium found in…

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Q: Andy decides to use an old pair of eyeglasses to make some optical instruments. He knows that the…

A: Given data The near point to the left eye is, q1 =-50.0 cm The near point to the right eye is, q2…

Q: What is the problem with his eyes

A: The problem of his eyes is myopia, is a common eye condition in which distance objects are appeared…

Q: If a bulb is x meters from a wall.  select a lens that will create an image on the wall that is 3…

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Q: farsighted person cannot see objects closer to the eye than 75 cm. Determine the  power of the…

A: Given :  Image distance , v = 75 cm = 0.75m Object distance, u = 25 cm = 0.25m We will use the…

Q: Sanjay’s vision is hyperopic. The prescription for his right eye is +3.0 D, which gives him a near…

A: Given data: Power of lens, P=3.0 D Normal vision, s=25 cm

Q: Can you see a virtual image? Can you photograph one? Can one be projected onto a screen with…

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Q: Two converging lenses having focal lengths of f1 = 11.6 cm and f2 = 20.0 cm are placed d = 50.0 cm…

A: we start with final image and work backward,from fig the final image is virtual and x=30.9…

Q: Your grandfather comments that his farsightedness is getting worse with age. Now, even with his 1.6…

A: It is given that,The power of lens is P=1.6DObject's distance  from the lens is u=-30 cm.

Q: Frank can see fine at long distances but now needs to hold a restaurant menu at 50.0 cm from his…

A: u = -(50-1.5) = -48.5 cm  v = -(25-1.5) = -23.5 cm

Q: Naiya wears glasses to correct her nearsightedness. The lense have a power of P1 -2.50 D, and they…

A: Given: Power of  lenses is P1=-2.50D Object distance u=∞ For backup pair of glasses, Object distance…

Q: A person decides to use an old pair of eyeglasses to make some optical instruments. He knows that…

A: Given, near point of left eye =58 cm' near point of right eye=106 cm  fo=58 cm fe= 106 cm

Q: a 2.8-m-deep swimming pool. If you hold a laser pointer 1.0 m above the edge of the pool, you can…

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