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

Determine the kinetic energy of simple harmonic oscillator, The total ener...

The total energy of a simple harmonic oscillator is 0.8 erg. What is its kinetic energy when it is midway between an extreme position and mean position?

Buckling of a vertical column, Assume that the column is a homogeneous circ...

Assume that the column is a homogeneous circular cylinder with small cross sections loaded by its own weight. The free end of the column will bend away when its height exceeds a ce

Calculate the magnitude of the magnetic field , A 240-turn solenoid having ...

A 240-turn solenoid having a length of 21 cm and a diameter of 8.8 cm carries a current of 0.44A. Calculate the magnitude of the magnetic field inside the solenoid.

Absolute and relative permeability of a medium, Distinguish between absolut...

Distinguish between absolute permeability and relative permeability of a medium Absolute Permeability: 1. Absolute permeability is the ability of the medium to allow th

Determine dielectric strength of transformer oil, The dielectric strength o...

The dielectric strength of transformer oil should be (A) 100 V.        (B) 5 KV. (C) 30 KV.        (D) 132 KV. Ans: The dielectric strength of transformer oil mu

Kl, #quuiujiestion..

#quuiujiestion..

Characteristics of resistance in parallel, Characteristics of Resistance in...

Characteristics of Resistance in parallel: Different amount of current passing by each resistance. i.e. I = I1 + I2 + I3 + I4 ........ The potential difference across every

Significance of quasi-fermi level with aid of band diagram, Significance of...

Significance of Quasi-Fermi Level with Aid of Band Diagram (a) Explain with diagrams different types of trap assisted generation and recombination. (b) Explain the signific

Explain the term- zener breakdown, Explain the term- Zener Breakdown ...

Explain the term- Zener Breakdown Under a very high reverse voltage, depletion region expands and potential barrier increases resulting in a very high electric field (3X10 7

Coulombs law, Coulomb's law (C. de Coulomb) The primary law for electr...

Coulomb's law (C. de Coulomb) The primary law for electrostatics is analogues to Newton's law of universal gravitation. This states that the force among two point charges is p

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