What is the power of the lens, if the far point of a short-sighted eye is 100 cm?
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: 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 person's near point is 100 cm, what must be the lens power in diopters that would enable her to…
A:
Q: A convex lens of power +4 D and a concave lens of power 3 D are placed in contact. What is…
A: Given that:Power of convex lens, P1=+4 DPower of concave lens, P2=3 D
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 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: A nearsighted person has a near point of 12 cm and a far point of 40 cm. What power corrective lens…
A: f=Focal lengthu=Object distance=∞v=Image distance= Far point=−40 cm
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: A
A: Near point=13.5 cm=13.5/100=0.135 m Far point=117 cm=117/100=1.17 m
Q: A person has far and near points of 84 cm and 15 cm, respectively. What is the percent change in the…
A: Given : far point of eye of person, u1 = - 84 cm = 0.84 m ( distance of far object) near…
Q: What power of reading glasses is needed for a person whose near point is 125 cm so that they may…
A:
Q: An astronomical telescope is to be designed to have a magnifying power of 50 in normal adjustment.…
A: Given, Astronomical telescope in normal adjustment . Magnifying power (M) = 50 length of tube = 102…
Q: A person has good vision has near point of 0.4 m and the like read at distance of 0.25 m what his…
A:
Q: The far point of a myopic person is 80 cm in front of the eye. What is the nature and power of the…
A: Given: The far point of a myopic person is 80 cm in front of the eye. What is the nature and power…
Q: A person who reads from 25 cm with glasses of +1.5 diopter power, how many cm is her near point…
A:
Q: The contact lens prescription for a nearsighted person is -4.00 D and the person has a far point of…
A: The expression for the power of the lens is, P=1di+1do (I) di=image…
Q: 4) A car enters a 110m radius curve and the driver experiences a centripetal acceleration of 4.55…
A: Given that,Radius : R = 110 (m)Centripetal acceleration : ac = 4.55 (m/sec2)Here we need to find the…
Q: For a normal eye, the cornea of eye provides a converging power of 40 D and the least converging…
A: We have to find the distance between the retina and cornea-eye lens. We know that, Cornea of eye…
Q: A Near-sighted person cannot see distantly objects beyond 80 cm. What is the power in the dioptres…
A:
Q: power of 50 in normal adjustment. If the 02 cm, find the powers of the objective
A: Magnifying power of a telescope is defined as the ratio of the angle subtended at the eye by the…
Q: A person is nearsighted with a far point of 5 m. Spectacles that enable them to see distant objects…
A:
Q: Two converging lenses, one with f= 4.0cm and the otherwith f=48 cm are made into a telescope. (a)…
A: Given: Focal length of first lens fe is 4.0 cm. Focal length of second lens fo is 48 cm. Formula…
Q: (a) Suppose Willebrord Snell's near point of vision is 55cm from his unaided eye. What power, in…
A: We will use the thin lens formula, 1v-1u = 1f
Q: Unless otherwise stated, the lens-to-retina distance is 2.00 cm. Calculate the power of the eye when…
A:
Q: A person is to be fitted with bifocals. She can see clearly when the object is between 32 cm and 2.1…
A:
Q: What is the power in diopters of camera lens that has a 58.5 mm focal length? D
A: Given data: The Focal length (f) = 58.5 mm Required: The power of camera lens in diopters
Q: Cover the top half of a camera lens. What effect does this have on the pictures taken?
A:
Q: A thick lens has a +8.00 D neutralizing power and a +10.00 D back vertex power. What thin lens held…
A:
Q: When do (known as object distance) is very large, what does the thin lens equation predict for the…
A: The lens equation is, 1/f =1/di- 1/do
What is the power of the lens, if the far point of a short-sighted eye is 100 cm?
Step by step
Solved in 2 steps