Question: A meniscus lens has an edge thickness of 5 mm and a diameter of 40 mm. If the sag of the convex surface is 1.2 mm, and the sag of the other surface is 2.4 mm, what is the center thickness of the lens? ANS. 3.8 mm

Q: 10. An object is placed 6 cm to the left of a converging lens. Its image forms 12 cm to the right of…

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

Q: The distance between an object and its image formed by a diverging lens is 45.3 cm. The focal length…

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Q: If the speed of light in a liquid is 2,83 × 108 m/s and the refraction angle for the ray of light…

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Q: A person is having nearsightedness vision defect. So, he should use the а. convex lens of positive…

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Q: - Fill in the missing values in the following table. f a. 6.0 cm b. 2.9 cm P Converging lens ? ? 9…

A: Since you posted several questions, we will solve only first question and for the solutions of other…

Q: An object of height 12.9 cm is placed 37.2 cm from a convex lens. What is the angular size of this…

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Q: An equi convex lens has powwer P It is cut into 2 symmetrical halves by a plane containing the…

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Q: The radius of curvature of a spherical mirror is 20 cm. What is its focal length?

A: Given: Radius of curvature if a spherical mirror, R =  20 cm.   Find: Focal length of the mirror.

Q: The lenses in the figures below are all made of glass of index 1.50 and have surfaces with radii of…

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Q: As people age, the length of their eyeballs may decrease slightly. If there is no change in the lens…

A: As people age, the length of their eyeballs may decrease slightly. The lens inside the eye becomes…

Q: Some telephoto cameras use a mirror rather than a lens. What radius (in m) of curvature mirror is…

A: Required : Radius of curvature, R.

Q: A telescope mirror is to be built so that it will focus light from astronomical objects onto a focal…

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Q: For the lens shown in the figure. If F=20 cm and n=1.5, then the radius of curvature (R) is: Select…

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Q: power of a lens is 4.0 diopters and its diameter is 5.0 cm. What is the focal length of this lens?

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Q: An object of size 15 mm is placed 50 mm from the concave mirror. The focal length of the mirror is…

A: object size, do= 15 mm u= -50 mm f= -20 mm

Q: The radius of curvature of a spherical mirror is 24 cm. Calculate the focal length ?

A: In the given question, Radius of curvature of spherical mirror (R) = 24cm We are required to find…

Q: Please use lensmaker’s equation to design a double converging lens with 3 cm focal length. R1 =…

A: f=3cm R1=10m=1000cm n=1.5

Q: Question: A meniscus lens has an edge thickness of 5 mm and a diameter of 40 mm. If the sag of the…

A: Given, edge thickness is, e = 5mm sag of convex surface is, S1 = 1.2mm sag of other surface is, S2 =…

Q: 1. Consider a thick lens as shown in figure below. (a) Develop a matrix for the lens and (b)…

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Q: This object is located 5.4 cm to the left of the lens, and the image forms at 24.8 cm to the right…

A: Given: The location of the object is 5.4 cm in front of the lens. The location of the image is 24.8…

Q: An object of height 15.9 cm is placed 29.3 cm from a convex lens. What is the angular size of this…

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Q: A diverging lens with a focal length -12.0 cm is to the left of a mirror with a focal 3) length of…

A: According to Guidelines, I can solve first three parts of the question. If you need help with other…

Q: Problem 14:  Some telephoto cameras use a mirror rather than a lens to magnify distant objects.…

A: Given    Focal length of telephoto lens        f= 650 mm     Therefore ,  Focal length of the mirror…

Q: What is meant by power of a lens? Write its SI unit. A student uses a lens of focal length 40 cm and…

A: Power of lens is known as the inverse of the focal length of the lens measured in meter(m). S.I unit…

Q: A person is having farsightedness vision defect. So, he should use the O a. concave lens of negative…

A: Dear student Farsightedness or Hyperopia is the condition in which objects nearer to eyes are not…

Q: a convex mirror has a distance to the onject of 12cm. The distance to the image is (-4.7)cm. What is…

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Q: The radius of curvature of the curved side of a piano-convex lens made of glass (n= 1.64) is 54 cm.…

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Q: A convergent lens of focal length 19 cm gives a real image that is 3.1 times larger than the object.…

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Q: Ah = 8.94 cm tall candle is placed a distance of p = 25.9 cm before a lens and an image forms a…

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Q: An object is placed 25 cm from a double convex lens that has a 15 cm focal point.             a)…

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Q: A double-convex lens has surfaces whose radii of curvature are both 40 cm. The index of refraction…

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Q: The radius of a curvature for a concave mirror is 17cm. What is the focal length of this mirror

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Q: A lens has a focal length of -10 cm.  If the image of an object is located at -20 cm, what is the…

A: Given data :             Focal length = F             Image distance = V      To find :…

Q: A boy with myopia has an abnormal far point of 80.0 cm. What power of corrective lens is needed to…

A: Given data The far point is given as f = -80 cm.   Now, the mathematical expression to calculate…

Q: The vision defect in which the lens of the eye become too long is called a. Nearsightedness O b.…

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Q: The radius of curvature of a spherical mirror is 20 cm. What is its focal length?

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Q: A diverging lens with a focal length -12.0 cm is to the left of a mirror with a focal 3) length of…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…