•+4.4D lens near point ncm location OF near point, when not Wearing lens
Q: What is the focal length (in cm) of 1.70 D reading glasses found on the rack in a pharmacy? cm
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Q: A myopic person has a near point of 23 cm and a far point of 37 cm. When correcting the distant…
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Q: 5) An image is formed 15 cm behind a 10-cm-focal-length converging lens. Find the object distance a)…
A: Given:Focal length of a converging lens, f = 10 cmImage distance = 15 cm behind the lens
Q: 9) An object is placed in front of a plane mirror, 2 m from the mirror, with ray tracing, find the…
A: Plane Mirror:- Plane mirrors are typically used to observe an object's reflection. Periscopes and…
Q: A myopic person sees that her contact lens prescription is -6.50 D. What is her far point in…
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Q: A farsighted person has a near-point located 6.2 m from the eye. Find the refractive power of…
A: Given data The farsightedness of the person is given as u = -6.2 m. The image distance is given as…
Q: Two converging lenses are used to form a compound microscope, the first lens (object lens) has focal…
A: The total magnification of the microscope is given by M=mome mo, me are magnifications of objective…
Q: a) Determine the far point of a near-sighted person whose prescription is -6.00. h) Determine the…
A: Solution
Q: Find the far point of an eye for which a prescribed lens has an optical power of -2.9 d. _____cm
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Q: Find the apparent depth of a small fish 0.50 m below the surface of a lake when viewed from directly…
A: Given real depth of the fish is 0.50m We know refractive index of water is n=4/3 Let's assume…
Q: State two applications each of convex and concave lens.
A: The application of convex lens is given below .The convex lens is used as a magnifying glass and…
Q: The radii of curvature of a double convex lens are 15 cm and 30 cm and its refractive index is 1.5.…
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Q: Type Converging Mirror Shape object height (h,) focal length (f) Concave 15.5 cm These two columns…
A: Reflection is basically the phenomenon of bouncing back of light rays from a surface. A mirror is a…
Q: 11) Two converging lenses are used to form a compound microscope, the first lens (object lens) has…
A: To see the nature of final image we have to draw the ray diagram of microscope and we will see how…
Q: A camera is used to take a picture of a dog. What kind of image is produced? type 'real' or…
A: This is a question regarding the types of image produced by different lenses. An image formed by the…
Q: State the sign conventions to measure distances for a lens.
A: The sign convention for spherical lenses are given below.All the distances are measured from the…
Q: The near point of a certain hyperopic eye is 200 cm in front of the eye. Find the focal length and…
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Q: Using table data presented in the text, calculate the focusing power of the cornea
A: The focusing power of the cornea is given by,
Q: Find the position the lens shown in Fig.
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Q: (4/A Pandayan mirror has a radius of curvature of 8 m. Determine the location of the image and its…
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Q: What is the different between X the Converging and Diverging lenses according to 1- Focal Length 2-…
A: Converging lens: The lens which is thicker at the middle and thinner at the edges is called…
Q: Where would the image of a car be formed if it were placed 6.65 m away from a converging lens that…
A: Here we used mirror formula, 1/f = 1/u + 1/v Here, f =0.61m, u =6.65 m Now , 1/0.61 - 1/ 6.65 = 1/v…
Q: An object (height3D20 cm) is viewed through a converging lens (f=18.6 cm). Determine the location of…
A: Let f be defined as the focal length of the lens. The lens formula be defined as, 1f=1d+1d01d=1f-1d0…
Q: Define the following ● Center of curvature ● Focal length ● Parallel lines ● Mirrors…
A: Answer:- (1) Center of curvature:-the center of the circle whose center lies on the concave side of…
Q: focal length
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Q: . Find the focal length of the glass lens in both figure?
A: Given diagrams: R1=24 cm , R2=40 cm R1=∞, R2=40 cmWe know, Refractive index of glass is n=1.5
Q: Explain and give Lens formula.
A: Lens formula gives the relationship between the image distance (v), object distance (u) and the…
Q: Calculate the final magnification in the following lens configuration u=20 mm f=8 mm Separation =6.5…
A: The objective of the question is to calculate the final magnification in a lens configuration given…
Q: 2. The same rays are used to find the properties of a diverging lens. Use them to locate the image…
A: Light rays from object and image formed is as follows for first object: Image formed is virtual and…
Q: All the following objects are rotating constantly 20.20 rad/s within the axis as shown in the Figure…
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Q: ) Explain why the crystalline lens of the eye gets a virtual object from the cornea.
A: Answer:- The crystalline lens of the eye gets a virtual object from the cornea.The lens will form a…
Q: How does the power of lens change when focal length is doubled?
A: The relation between the focal length and the power:
Q: For the composite area shown: 1. Locate the centroid in the x and y direction? 2. Find the moment of…
A: The dimensions are given in the figure . To find = a) Centroid b) Moment of inertia…
Q: The eye has the power of a crystalline lens in small because its refractive index * O Slightly less…
A: Concept: The crystalline lens, which is around 9mm in diameter and 4mm thick, contributes about 20%…
Location when not wearing lens
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