What power should be prescribed

Assignment Help Physics
Reference no: EM13707655

Solve the given question:

Question: A patient has a far point of 29.5 cm and a near point of 23.9 cm.

Part A: What power (in diopters) should be prescribed to correct the patient's vision using:

(a) contact lenses? _________________ D

(b) glasses which are worn 0.8 cm away from the patient's eyes? _______________D

Explanation and formulas needed for best answer!

Reference no: EM13707655

Questions Cloud

Find at what horizontal distance does the ball land : A soccer ball is kicked horizontally from the edge of a 125 m high cliff with an initial speed of 15 m/s. At what horizontal distance does the ball land
Find the centripetal acceleration of the space shuttle : Suppose the space shuttle is in orbit 590 km from the Earth's surface, and circles the Earth about once every 90 min. Find the centripetal acceleration of the space shuttle in its orbit
The progressive movement was a complicated : Background: The Progressive Movement was a complicated, and sometimes contradictory, phenomenon that sometimes pushed for the expansion of popular democracy while at other times, or even simultaneously, advocated that the functions of governmen..
What is her acceleration on the rough ice : A speed skater moving across frictionless ice at 8.3 m/s hits a 5.1 m-wide patch of rough ice. She slows steadily, and then continues on at 6.5 m/s.  What is her acceleration on the rough ice
What power should be prescribed : A patient has a far point of 29.5 cm and a near point of 23.9 cm. What power (in diopters) should be prescribed to correct the patient's vision using contact lenses
Calculate the friction force needed on a train passenger : Consider a train that rounds a curve with a radius of 540m at a speed of 160 km/h (approximately 100 mi/h). Calculate the friction force needed on a train passenger of mass 70kg
What potential difference is needed to accelerate a proton : What potential difference is needed to accelerate a proton from rest to a speed of 8.5x106 m/s
Find what is the volume of the steam produced : We are going to heat up some water. We start with 10 kg of ice at T = -20° C. What is the volume of the Steam produced
What was the work done : We have a diatomic ideal gas with a y of 5/2. It starts with an initial pressure of 1kPa, an initial temperature of 100 K, and an initial volume of 10 m3. What was the work done

Reviews

Write a Review

Physics Questions & Answers

  When a signal of intensity 30kwm-2 is applied at the input

when a signal of intensity 3.0kwm-2 is applied at the input of an amplifier of length 10m the output signal intensity

  Assuming sound energyradiates uniformly in all direction

There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 hz that can travelup to 10 km. The intensity level of these sounds can reach98 dB, measured a distance of 4.5 m from the source.

  Determine what type of mirror is it

A virtual image of magnification +0.6667 is produced when an object is located in front of a spherical mirror. Determine what type of mirror is it

  What are values of its decay constant-half-life-mean life

The activity of a radioisotope is found to decrease by 30% in 1 week.  What are the values of its decay constant, half-life, and mean life?

  What is the force between the charges

Sketch the electric field and equipotential lines associated with a 6 coulomb negative charge and a 3 coulomb positive charge. what is the force between the charges

  What is the horizontal distance from the press box

Your cup of coffee is too hot to drink when served at 95.What is mass of an ice cube, taken from a -19.0 freezer, that will cool your coffee to a pleasant 62.

  Find the velocity of wreckage immediately after collision

A 1300 kg car and 4940 kg truck undergo a perfectly inelastic collision. Before the collision, the car was traveling southward at 1.35 m/s, and the truck westward at 9.40 m/s. Find the velocity of the wreckage immediately after the collision. (Enter ..

  Five boxes each having weight 100 n are stacked up the

five boxes each having weight 100 n are stacked up. the bottom box is the fifths from the top. what is the magnitude of

  Find where does the fish appear to be to an observer outside

A goldfish bowl is spherical, 8 cm in radius. A goldfish is swimming 3.0 cm from the wall of the bowl. Where does the fish appear to be to an observer outside

  What is the magnitude of the acceleration of a speck

What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 45 rpm (revolutions per minute) if the wheel's radius is 25.6 cm

  A spring with spring constant 150 nm hangs from the ceiling

a spring with spring constant 15.0 nm hangs from the ceiling. a ball is attached to the spring and allowed to come to

  What force will it experience

Two plates are charged so that they have a potential difference of Change in V=10V and are 5 cm (0.05 meters) apart. What force will it experience

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