What is the typical magnification of an ocular lens?

Q: What are all the materials used to do an image formation with converging lenses?

A: The apparatus required for the image formation are: Converging lens (convex lens) Lens holder Light…

Q: How is the power of a lens related to its focal length ?

A: power of a lens is defined as the reciprocal of its focal length in meters, or  D   =  1/f where D…

Q: A diverging lens with a focal length of 50 cm is placed 100 cm from a flower. Where is the image?…

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Q: When a lens is called a magnifier?

A: The magnification ratio of a lens is the ratio of the size of the image to the size of the object.…

Q: Unless otherwise stated, the lens-to-retina distance is 2.00 cm. The print in many books averages…

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Q: If a person covers the top half of camera lens, what effect does this have on the pictures taken?

A: If we cover the half of the lens, then we get a fainter image or an image with less itensity of…

Q: An object 1.30 cm high is held 3.00 cm from a person's cornea, and its reflected image is measured…

A: Height of the object, ho = 1.30 cm  Height of the image,hi = 0.167 cm  Distance of the object, do=…

Q: Which lens has more power: a thick lens or thin lens?

A: Thick lens has more power than a thin lens. The reason is that the power is directly proportional to…

Q: What happens to an image when the object is on top of the focal point of a converging lens?

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Q: The images produced by a converging lens are upside down. Does this mean the photographs taken with…

A: Determining if the photos taken with the camera are upside down:

Q: What is the angle of incidence in the glass? Answer in units of °.

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Q: A converging lens form a virtual image of a real object, when the ___ is ___ the ___ from the lens?…

A: To explain : When does a converging lens produce virtual image of a real object.

Q: Which lens is used in a magnifying glass and where should the object be placed?

A: Magnifying glass is the lens which gives upright and larger image than size of object.

Q: When does a convex lens act like a magnifying glass?

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Q: which one of the objective lenses gives the greatest magnification?

A: The objective lens are those lens which is formed to collect the light ray reflected from object and…

Q: total magnification of this lens syStatement is;

A: Given: An extended object is placed at point  O,  10 cm in front of a convex lens L1 and a concave…

Q: Neil uses a converging lens (f = 0.12 m) to read a map located 0.090 m from the lens.  What is the…

A: The answer is given below

Q: Why  is the lens on a good –quality camera coated  with a thin film?

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Q: As shown in the figure below, a biconvex thin lens located 133 cm from a screen, projects onto it an…

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Q: Under what circumstances will an image be located at the focal point of a lens or mirror?

A: When the object is positioned at infinity, light rays parallel to the mirror or lens axis meet or…

Q: What is the angular magnification of a microscope using an objective with a magnification of 22.7…

A: angular magnification=me×mo me=eye piece magnification(ocular)=10.2m0 magnification of objective…

Q: Name the three common defects of vision. What are their causes? Name the type of lens used to…

A: To determine: Name the three common defects of vision. What are their causes. Name the type of lens…

Q: How can magnification of a lens calculated?

A: A convex lens is also known as a converging lens while a concave lens is also called a diverging…

Q: What is the magnification of an object held 7.50 cm from a 10.0 cm-focal length lens?

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Q: An object is placed 20cm in front of a -15.0OD lens. Where will the image be focused? *

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Q: Why are mirror images flipped horizontally but not vertically?

A: The nature of the image formed by a mirror is lateral inverted. Lateral Inversion: It is a…

Q: A nearsighted person has a far point of 60 cm and a near point of 10 cm. What power lens is…

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Q: What kind of lens can produce a real image? A virtual image?

A: convex lens can produce real and inverted image ,but when object is placed between focus and optical…

Q: A converging lens with a focal length of 10 cm produces a 3-cm high virtual image of a 1-cm high…

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Q: A photographer captures the image of a flower 75 cm away. If length, how far from the lens must the…

A: GivenObject Distance, u=75 cmFocal length of lens, f=35 mm=3.5 cm

Q: What object position with respect to the single converging lens would result in a magnified real…

A: Object must be placed between between 2F(Centre of curvature) and  O( optical centre of lens) to…

Q: For a thin spherical lens, the focal length of red light compared to the focal length of blue light…

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Q: A slide projector has a magnification of 60. How tall will the projected image be if the slide is…

A: Write the expression for the magnification. Here, hi represents the height of the projected image…

Q: The thicker a double convex lens is in the center as compared to its edges, the shorter its focal…

A: The focal length is the distance between the center of the convex lens and the focal point. The…

Q: How to Calculate total magnification of an object?

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