Determine what would be the necessary power

Assignment Help Physics
Reference no: EM13681404

A near sighted woman has a far point placed 0.750 m from one eye.

(a) If a corrective lens is worn 2 centimeter from the eye, find what would be the necessary power of the lens for her to see distant objects?

(b) Determine what would be the necessary power if a contact lens were used?

Reference no: EM13681404

Questions Cloud

Obtain the de broglie wavelength for a ball : The acceleration of gravity is 9.8 m/s2. Obtain the de Broglie wavelength for a ball of mass 1.15 kilogram just before it strikes the Earth
What is the voltage across the batterys leads : An old 9.0-V battery produces a potential dissimilarity of 9.0 V when checked with a voltmeter. If the internal resistance is 14.3 and a 100 resistor is connected across the battery leads, what is the voltage across the battery's leads?
Determine power of the eyepiece : An astronomical telescope uses an objective of power +1.280 D. If the length of the telescope is 80 centimeter, Determine power of the eyepiece
Compute what type of mirror is it : A virtual image of magnification +0.375 is produced when an object is located in front of a spherical mirror.  Determine what type of mirror is it
Determine what would be the necessary power : A near sighted woman has a far point placed 0.750 m from one eye. Determine what would be the necessary power if a contact lens were used
require a sheet of copper for a home project : You require a sheet of copper for a home project, and since it is sold by the square foot, you buy 2.0 ft2 (according to the label). But, when you get home and check the actual dimensions for yourself, you find that the area is really 1.997 ft2. If y..
Find what force in does the light exerts on the polarizer : A polarized light beam, with an 8.97 millimeter diameter circular cross section, is perpendicularly incident on an ideal polarizer, serving here as an analyzer. Find what force in does the light exerts on the polarizer
A building made of concrete is gauged : A building made of concrete is gauged to be 425 m tall when it is -23°C outside. How much taller will it be when the temperature reaches 41°C? (In cm)
Find where is the image located : An object is located in front of a biconcave lens whose focal length is 125 centimeter. Find where is the image located

Reviews

Write a Review

Physics Questions & Answers

  What is the torque on the particle about the origin

Force F = (-9.0 N) i + (5.0 N) j acts on a particle with position vector r = (-5.0 m) j + (1.0 m) k. What is the torque on the particle about the origin

  What is the maximum weight it can lift

A 0.11-kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 4.2 m, what is the maximum weight it can lift

  What was its average angular acceleration

After fixing a flat tire on a bicycle you give the wheel aspin. what was its average angular acceleration

  Find the volume of water displaced by the iceberg

A 7450kg iceberg with density 931 kg/m3 is afloat in seawater with density 1030 kg/m3. Find the volume of water displaced by the iceberg

  What is the focal length of the second lens

Two converging lenses are placed 88.0 cm apart. An object is placed 1.100 m to the left of the first lens, which has a focal length of 27.0 cm. What is the focal length of the second lens

  Write the expression for the position of the block

a block of mass 12.0 kg is connected to a spring on a horizontal frictionless surface. write the expression for the position of the block as the function of time

  Water flows during a horizontal, cylindrical pipe of radius

Water ( ρw = 1000 kg/m3 ) flows during a horizontal, cylindrical pipe of radius 0.0200 m. The pipe bends upwards and climbs 5.0 m in height. It then bends horizontal again however widens to a radius of 0.0300 m. What volume flow rate will keep the pr..

  Dolphin located in sea water at a temperature

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 ..

  Find how many years would it take to pay off the debt

At the time of this book's printing, the U.S. national debt is about $10 trillion. If payments were made at the rate of $2 000 per second, how many years would it take to pay off the debt, assuming no interest were charged

  Find the minimum uncertainty in the momentum of the object

An object is moving along a straight line and the uncertainty in its position is 1.5 m. Find the minimum uncertainty in the momentum of the object

  Find what diameter should the inlet be

An engine inlet decelerates the flow from M = 0.82 to M = 0.34 at the 3.5-ft diameter compressor face. What diameter should the inlet be

  Moist air with dry and wet bulb temperatures

Moist air with dry and wet bulb temperatures of 20oC and 9oC respectively enters a steam-spray humidifyer at rate of 100 kg of dry air/min. Saturated water vapor at 110oC is injected at 1 kg/min.

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