Question

A nearsighted person has a far point located only 202 cm from his or her eyes....

A nearsighted person has a far point located only 202 cm from his or her eyes.

a) write the equation to find the focal length

b) Solve the above equation

c) Find the power of the lens

d) If this person went to the pharmacy to the area where the glasses are located, which of the two towers of glasses should they be standing in front of? Negative or Positive

Homework Answers

Answer #1

Solution in the uploaded images

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
(1)(A)Your physics study partner is nearsighted. She has a near point of 50.0 cm from her...
(1)(A)Your physics study partner is nearsighted. She has a near point of 50.0 cm from her eyes and she wears eyeglasses designed to allow her to read a newspaper held at a distance of 22.5 cm from her eyes. Determine the focal length of her glasses for each of the following cases. She wears her eyeglasses 1.80 cm from her eyes. She wears her eyeglasses 2.80 cm from her eyes. (B)What magnification is produced by a 0.150 cm focal length...
A myopic (nearsighted) person has a far point distance of 150 cm. What is the refractive...
A myopic (nearsighted) person has a far point distance of 150 cm. What is the refractive power of his ideally prescribed eyeglasses if he wears his eyeglasses a distance of 3.0 cm from his eyes? Answer in dp
1. A woman can read the large print in a newspaper only when it is at...
1. A woman can read the large print in a newspaper only when it is at a distance of 57 cm or more from her eyes. (a) Is she nearsighted (myopic) or farsighted (hyperopic), and what kind of lens is used in her glasses to correct her eyesight? (b) What should be the refractive power (in diopters) of her glasses (worn 2.6 cm from the eyes), so she can read the newspaper at a distance of 24 cm from the...
A severely nearsighted person has a far point of 7.10 cm. By how many diopters should...
A severely nearsighted person has a far point of 7.10 cm. By how many diopters should the power of the eyes be reduced when laser vision correction is performed on this person?
The far point of a nearsighted person is 8.8 m from her eyes, and she wears...
The far point of a nearsighted person is 8.8 m from her eyes, and she wears contacts that enable her to see distant objects clearly. A tree is 16.3 m away and 2.3 m high. (a) When she looks through the contacts at the tree, what is its image distance? (b) How high is the image formed by the contacts?
A pair of glasses is designed for a person with a far-point distance of 4 m...
A pair of glasses is designed for a person with a far-point distance of 4 m so that she can read street signs 19.5 m away. (The far-point distance is the distance from the eye at which you are just able to properly focus a distant object.) (a) If the glasses are to be worn 1.0 cm from her eyes, what is the needed focal length? Answer: -5.02 m (b) Compare this focal length (find the percent difference) to the...
he far point of a nearsighted person is 6.3 m from her eyes, and she wears...
he far point of a nearsighted person is 6.3 m from her eyes, and she wears contacts that enable her to see distant objects clearly. A tree is 19.3 m away and 1.7 m high. (a) When she looks through the contacts at the tree, what is its image distance? (b) How high is the image formed by the contacts?
the near point of a near-sighted person is 12cm from his eyes without glasses and 17cm...
the near point of a near-sighted person is 12cm from his eyes without glasses and 17cm with glasses located 2cm from his eyes. a)What is the prescription of his glasses? b) What is this persons far point without glasses?
1. A ray of sunlight is passing from diamond into crown glass; the angle of incidence...
1. A ray of sunlight is passing from diamond into crown glass; the angle of incidence is 35.00°. The indices of refraction for the blue and red components of the ray are: blue (ndiamond = 2.444, ncrown glass = 1.531), and red (ndiamond = 2.410, ncrown glass = 1.520). Determine the angle between the refracted blue and red rays in the crown glass. 2. An object is 25 cm in front of a diverging lens that has a focal length...
1. A nearsighted person has a far point of 21 cm. To correct the distant vision...
1. A nearsighted person has a far point of 21 cm. To correct the distant vision using a lens 2 cm from the eye. What power lens should be used? 1. 4.8 D 2. -4.8 D 3. 5.3 D 4. -5.3 D 2. The speed of light in a plastic material is 1.5*10^8 m/s. The index of refraction of this material is A. 2 B.1.54 C. 1.33 D. 0.81 3 if light of wavelength 600 nm in air enters a...