This topic contains a solution. Click here to go to the answer

Author Question: The process of changing the shape of the lens, and hence adjusting its focal length, is referred as ... (Read 25 times)

mwit1967

  • Hero Member
  • *****
  • Posts: 501
The process of changing the shape of the lens, and hence adjusting its focal length, is referred as accommodation.
 
  Indicate whether the statement is true or false

Question 2

A particle of kinetic energy 50 eV in free space travels into a region with a potential well of depth 40 eV. What happens to its speed?
 
  A)
 
  It remains the same.
  B)
 
  It increases in the region of the well.
  C)
 
  It decreases in the region of the well.
  D)
 
  It cannot be determined from the information given.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Brummell1998

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

TRUE

Answer to Question 2

B





 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

For a complete list of videos, visit our video library