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

Physical arrangement of resistors, Physical arrangement of resistors: B...

Physical arrangement of resistors: Before we look at some problems it is necessary to warn you that physical appearances can be deceptive. When components are mounted they are

Can you explain contour map, Can a contour map explain a cause and effect r...

Can a contour map explain a cause and effect relationship among three variables?

How much gasoline overflows from the tank, An automobile fuel tank is fille...

An automobile fuel tank is filled to the brim with45 L of gasoline (12 gal) at 20°C.Immediately afterward, the vehicle is parked in the sunlight, where the temperature is 45°C. How

Heat transfer, what condition is necessary for heat transfer occur

what condition is necessary for heat transfer occur

Constraint relation : wedge and block, A block goes on a wedge which in tu...

A block goes on a wedge which in turns goes on a horizontal table, as given in figure. The wedge angle is Φ. As long as the wedge is in met with table, we have the trivial const

Discharging of solar cell, Discharging: The cell is connected across some ...

Discharging: The cell is connected across some load during discharging. As the direction of current by the cell is reversed during discharging the negative ions go in the directio

Differences in construction of MOSFET and JFET, Differences in Construction...

Differences in Construction of MOSFET and JFET An N-channel JFET is demonstrated in figure (a). It comprises a thin N-type silicon bar with two islands of P-type semiconductor

What are harmful effects of noise, Harmful effects of Noise: 1. Noise c...

Harmful effects of Noise: 1. Noise causes nervous tension, aggression and commotion in normal human beings. 2. Continuous noise damage hearing power and complete deafness.

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