« previous next »

Author Question: The index of refraction for a certain material is 1.399 for red light and 1.432 for blue light. Find ... (Read 93 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
on: Jul 27, 2018
The index of refraction for a certain material is 1.399 for red light and 1.432 for blue light. Find the angle separating the two refracted colors if the:
 
  (a) angle of incidence is 30.
  (b) angle of incidence is 60.

Question 2

A nearsighted person has a near point of 12. cm and a far point of 17. cm. If the lens is 2.0 cm from the eye:
 
  (a) what lens power will enable this person to see distant objects clearly?
  (b) what then will be the new near point?


joewallace

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 0.50
(b) 1.04

Answer to Question 2

(a) -6.7 D
(b) 30. cm in front of the lens


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Blue Whales Blue Whales
Development of the light microscope Development of the light microscope
A “reduced power” warning light indicates a fault with the electronic throttle control system on ... A “reduced power” warning light indicates a fault with the electronic throttle control system on ...
Amyloid plaques (stained blue) in the brain of a deceased patient who had Alzheimer’s disease. Amyloid plaques (stained blue) in the brain of a deceased patient who had Alzheimer’s disease.
How to manually find the mean, variance, and standard deviation for a set of numbers How to manually find the mean, variance, and standard deviation for a set of numbers
Testing the corneal light reflex Testing the corneal light reflex
Video: Exercise and cardiac output & Definition of stroke volume

For a complete list of videos, visit our video library