Author Question: You are given two converging lenses to build a compound microscope. Lens A has focal length 0.50 cm ... (Read 77 times)

kaid0807

  • Hero Member
  • *****
  • Posts: 515
You are given two converging lenses to build a compound microscope. Lens A has focal length 0.50 cm and lens B has focal length of 3.0 cm. Which of the two lenses would you use for the objective?
 
  A)
 
  Lens A, because it has the shorter focal length.
  B)
 
  Lens B, because it has the longer focal length.
  C)
 
  It makes no difference which lens I use for the objective.
  D)
 
  None, because the objective should be a diverging lens.

Question 2

All nuclei of a given element have the same number of neutrons.
 
  Indicate whether the statement is true or false


maaaaaaaaaa

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

A

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

For a complete list of videos, visit our video library