What focal length must it have

Assignment Help Physics

Reference no: EM13689172

Here is the question which I am struggling on, please help me!

Question: A nearsighted person has a far point that is 323 cm from the eye. if the lens in a pair of glasses os 2cm in front of this person's eye, what focal length must it have to allow to focus on distant objects?

Please use as much detail as possible in answer.

Reference no: EM13689172

Questions Cloud

Determine the speed of the electron : An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.255 T. Find the speed of the electron and the radius of the circular path

Find what is the mean free path of the balloon : A box that is 3.9m x 2.5m x 4.5m is filled with 180 balloons each balloon is filled with .00011309733552923 cm3 of helium, What is the mean free path of the balloon

Find the maximum torque on the wire : A wire is formed into a circle having a diameter of 10.8 cm and is placed in a uniform magnetic field of 2.87 mT. Find the maximum torque on the wire

Find the focal length and refractive power : A farsighted person wears glasses that enable him to read a book held at a distance of 25cm from his eyes. Find the focal length and refractive power of his lenses to place the image of the book at the near point

What focal length must it have : A nearsighted person has a far point that is 323 cm from the eye. if the lens in a pair of glasses os 2cm in front of this person's eye, what focal length must it have

Determine the ratio of the refractive indices of liquids : You have two containers half full with liquid 1. You then fill the two containers respectively with a layer of liquid 2 and 3. Determine the ratio of the refractive indices of liquids

Determine the index of refraction of the liquid : Light enters a liquid (from air) at an angle of 31Ã‚Â° with respect to the normal and is refracted into the liquid at an angle of 28Ã‚Â° with respect to the normal. Determine the index of refraction of the liquid

What is the peak magnetic field at the surface : Solar intensity at the surface of the sun is about 6 x 106 W/m2, what is the peak magnetic field at the surface

Determine the maximum radius of this circle : A small spotlight mounted in the bottom of a swimming pool that is 5.0 m deep emits light in all directions. Determine the maximum radius of this circle

User Account

All Pages