The most important differences for the fou lenses of the optical microscope?
Q: The contact lens prescription for a nearsighted person is –3.5 D, and the person has a far point of…
A: power of contact lens = –3.5 D far point of person = 24 cm
Q: The focal lenght of a diversing lens is negative. If f = -20 cm for a partial diverging lens, where…
A: Focal length of diverging lens is f=-20 cm Object is placed at a distance 50 cm to the left of lens.…
Q: A nearsighted woman has a far point of 220 cmcm . What refractive power should the lens have?…
A: A near sighted person can clearly see the nearby object but can't see far object clearly. These…
Q: A woman can read the large print in a newspaper only whenit is at a distance of 65 cm or more from…
A: a) As the woman can read the newspaper only at distance equal or greater than of 65 cm. It can be…
Q: How can one increase the magnification of a real image created by a single biconvex lens?
A: By convex lens are the combination of two convex lenses in a spherical form, In most cases the two…
Q: A person has a defect eye with a clear vision at distances from his eye from 0.15m to 0.80m.…
A: The distant object examination means the object is at infinity Therefore the distance would be…
Q: a person's near point is 100 cm, what must be the lens power in diopters that would enable her to…
A:
Q: A farsighted person has a near point of 50 cm. What strength lens, in diopters, is needed to bring…
A:
Q: What is the limit on how thin a fiber can be seen through an optical microscope?
A:
Q: A telescope has an objective with a refractive power of 1.25diopters and an eyepiece with a…
A:
Q: A person’s left eye can see objects clearly only if they are between 30-cm and 80-cm away. What…
A: A person can see maximum upto 80 cm . So a person will need a concave lens with focal length =80cm…
Q: What is the power of the eye when viewing an object 50.0 cm away?
A: Given: distance of object, u = - 50 cm
Q: The near point of a farsighted person is 100 cm. She places reading glasses very close to her eyes…
A: Given, p = 25 cm q = -100 cm
Q: In a compound microscope the distance between the objective lens and the eyepiece is 22.53 cm. The…
A:
Q: A jeweler is wearing a 22DD magnifying lens directly in front of his eye. If his near point is…
A: The focal length of the magnifying glass is: The image formed by the magnifying glass must be…
Q: How many uncoated thin lenses in an optical instrumentwould reduce the amount of light passing…
A: Given, Output intensity, If=50%×Io, where Io is original intensity.
Q: The mirror in my flash light is a paraboloid of revolution. If the mirror is 8 cm in diameter and 3…
A: Given Data: Diameter of the mirror (D) = 8 cm.Hence, radius (r) = 4 cm.Depth (d) = 3 cm. To…
Q: An amateur astronomer decides to build a telescope from a discarded pair of eyeglasses. One of the…
A: Let P0 and Pe be the powers of the objective and the eye-piece lens respectively.
Q: A 6.5X pair of binoculars has an objective focal lengthof 26 cm. If the binoculars are focused on an…
A: Given data: Objective focal length, fo=26 cm Object distance, u=4.0 m Focal length of eyepiece:…
Q: A Near-sighted person cannot see distantly objects beyond 80 cm. What is the power in the dioptres…
A:
Q: An object is 30 cm in front of a converging lens with a focal length of 5 cm. Use ray tracing to…
A: Given that: the focal length of the Converging lens, f = 5cm Object distance, u = 30cm Let the image…
Q: A stargazer has an astronomical telescope with an objective whose focal length is 180 cm and an…
A: According to the given data, Focal length of the objective (f0) =180 cm Focal length of the eyepiece…
Q: What is the angular magnification of a telescope that hasa 100 cm focal length objective and a 2.50…
A: Given: focal length of the objective lens, fo = 100 cm focal length of the eyepiece, fe = 2.5 cm
Q: If you want to examine the fine detail of an object with a magnifying glass with a power of 120.0…
A:
Q: Suppose you stand in front of a flat mirror and focus a camera on your image. If the camera is in…
A: A plane mirror forms the virtual image at the distance behind the mirror same as the distance of…
Q: An astronomical telescope has an angular magnifi cation of -132. Itsobjective has a refractive power…
A:
Q: Cover the top half of a camera lens. What effect does this have on the pictures taken?
A:
Q: To get a wide angle picture, you can change the lens on your camera to one with a different focal…
A:
Q: The distance between the lenses in a compound microscope is 18 cm.The focal length of the objective…
A: The formula for the angular magnification of the compound microscope be defined as, Where, L be…
Step by step
Solved in 4 steps with 4 images
