Author Question: A simple compound microscope normally uses A) a long focal length objective and a shorter focal ... (Read 154 times)

leo leo

  • Hero Member
  • *****
  • Posts: 566
A simple compound microscope normally uses
 
  A) a long focal length objective and a shorter focal length eyepiece.
  B) a short focal length objective and a longer focal length eyepiece.
  C) a short focal length objective and a shorter focal length eyepiece.
  D) a very long focal length objective and a longer focal length eyepiece.

Question 2

Light from a monochromatic source shines through a double slit onto a screen 5.00 m away. The slits are 0.180 mm apart.
 
  The dark bands on the screen are measured to be 1.70 cm apart. What is the wavelength of the incident light?
  A) 784 nm B) 457 nm C) 612 nm D) 392 nm E) 306 nm



lolol

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

For a complete list of videos, visit our video library