What power glasses would correct this persons vision

Assignment Help Physics
Reference no: EM13538324

A person has a far point of 21 cm. This means that the person’s corrective lenses should produce an image 21 cm in front of the eye for an object that is very far away.

a. What power glasses would correct this person’s vision, assuming the glasses are worn 1 cm in front of the eye? Include a sketch.

b. What power contact lenses would correct this person’s vision, assuming the contact lenses are worn on the eye? Include a sketch.

Reference no: EM13538324

Questions Cloud

Find the focal length of this lens-lens converging-diverging : An object is 0.9 m away from a particular lens. The lens produces an image of that object 30 cm on the other side of the lens. Is this lens converging or diverging? Find the focal length of this lens.
Calculate the work due to the gravitational attraction force : A soldier pushes a crate of boxes (mass 12.0kg) with a force=155N parallel to the tarmac, Calculate the work due to the gravitational attraction force on the boxes in pushing the box 4.50 up the incline
Explain what is the change in entropy in the system : The normal boiling point of C2Cl3F3 is 47.6 degrees Celsius and its molar enthalpy of vaporization is 27.49 kJ/mol. What is the change in entropy in the system in J/K when 28.6 grams of C2Cl3F3 vaporizes to a gas at the normal boiling point
Calculate the angular momentum of a solid uniform sphere : Calculate the angular momentum of a solid uniform sphere with a radius of 0.130m and a mass of 14.0kg if it is rotating at 6.05rad/s about an axis through its center
What power glasses would correct this persons vision : A person has a far point of 21 cm. This means that the person’s corrective lenses should produce an image 21 cm in front of the eye for an object that is very far away.
Explain the rate constant of a first-order reaction : The rate constant of a first-order reaction is 4.60x10^-4 at 415C. If the activation energy is 104 kJ/mol, calculate the temperature in C at which its rate constant is 8.80x10^-4 s^-1.
How much heat the cyclist loses in the process : In a 2.0- intense cycling race, a cyclist can loses 3.9 of water through perspiration. Estimate how much heat the cyclist loses in the process
Increasing ionization energy also increasing atomic : Rank the following elements in order of increasing ionization energy and increasing atomic size: P, O, S.
Explain by how much does it change the force on the face : The zygomatic bone in the upper part of the cheek can be fractured by a 900-N force lasting 6.0 ms or longer. By how much does it change the force on the face

Reviews

Write a Review

Physics Questions & Answers

  Write down the two equations of motion of the block

A block starting atop a frictionless hemispherical dome starts sliding from rest. Write down the two equations of motion of the block in terms of r and ? (i.e. use polar coordinates).

  What is the tension in eitherwire

A wire (mass = 50 g, length = 40 cm) is suspended horizontally bytwo vertical wires which conduct a current I = 8.0 A, What is the tension in eitherwire

  Obtain the electric flux through this surface

A uniform linear charge density of 4.0 nC/m is distributed along the entire x axis. Consider a spherical (radius = 5.0 cm) surface centered on the origin. Determine the electric flux through this surface

  Find the work w done by the force

A Force F= (6xi+ 5yj), where F is in newtons and x and y are in meters, acts on an object as the object moves in the x direction, Find the work W = integral (F · d vector r) done by the force on the object

  At what angle was red riding hood pulling

On her way to visit Grandmother, Red Riding Hood sat down to rest and placed her 1.7-kg basket of goodies beside her. A wolf came along, at what angle was Red Riding Hood pulling

  Find the direction of the magnetic field created directly

A long straight wire is aligned north-south and carries current in the northerly direction. What is the direction of the magnetic field created directly above the wire

  What is the temperature t of the concordes skin in flight

What is the temperature T of the Concorde's skin in flight?

  What is the total power output of the sun

The earth is 1.49*10^11 meters from the sun. If the solar radiation at the top of the earths atmosphere is 1340 W/m^2, what is the total power output of the sun

  What is the average kinetic energy of an ideal gas

What is the average kinetic energy of an ideal gas.

  How many maxima are there in the full diffraction pattern

A diffraction grating is made up of slits of width 420 nm with separation 1300 nm. How many maxima are there in the full diffraction pattern

  Find the coefficients of static and kinetic friction

A dockworker loading crates on a ship finds that a 18-kg crate, initially at rest on a horizontal surface, Find the coefficients of static and kinetic friction between crate and floor

  What is the power consumption of the unit in watts

A window air-conditioner unit absorbs 9.75×10^4J of heat per minute from the room being cooled, What is the power consumption of the unit in watts

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd