optical, Physics

Assignment Help:
Ask question #Minimum 4.
Determine the strength of a lens needed to allow a person with a far-sighted eye with a near point of Pnar= 2.0 m (near point means the closest distance for which an object can be imaged on the retina) to read comfortably at 0.25 m?

5. a) If an emmetrope has an accommodation of 53 D, what is the person''s near point?

b) If a former emmetrope wears reading glasses of +2D to read at a distance of 25 cm, what is the near point without glasses?


Get Answer words accepted#

Related Discussions:- optical

Define phase, Phase (Φ) : The amount which express at any instant, the disp...

Phase (Φ) : The amount which express at any instant, the displacement of the particle and it's direction of motion is known as the phase of the particle. If two elements of the

What is sliding friction, Sliding friction Lock the rollers of a roller...

Sliding friction Lock the rollers of a roller skate by criss-crossing rubber bands more than them on both sides. Place the roller skate on a sloping board and reminder how the

Paper capacitors, In this type of capacitors the dielectric consists of one...

In this type of capacitors the dielectric consists of one or more layer of extremely thin craft paper which looks very much like cigarette paper. The metal plates consist of alumin

What do you mean by thermoelectric refrigerators, What is the specific resi...

What is the specific resistance of material of a conductor. What do you mean by thermoelectric refrigerators?

Inertia of motion , why long jump run certain distance before running??

why long jump run certain distance before running??

Determine distance between a node and an antinode, A standing wave is forme...

A standing wave is formed on a tightly stretched string.  The distance between a node and an antinode is: w)  1/8 wavelength x)  1/4 wavelength y)  1/2 wavelength

Determine the change in temperature of water, What is the change in tempera...

What is the change in temperature of water after falling over a 50.0-m-tall waterfall? Suppose that the water is at rest just before falling off and just after it reaches the b

What is intent by the expression constructive interference, In optics what ...

In optics what is intended by the expression "constructive interference." Answer: This is factual for any kind of waves. Any time you have coherent waves of the same kind

Constancy principle, Constancy principle (A. Einstein): One of the pos...

Constancy principle (A. Einstein): One of the postulates of A. Einstein's special theory of relativity, that puts forth that the speed of light in vacuum is calculated as the

Illustrate the reflection of waves at closed and open ends, Write down the ...

Write down the condition for the construction of good auditoria. Illustrate the reflection of waves at closed and open ends.

Write Your Message!

Captcha
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