« previous next »

Author Question: A simple compound microscope normally uses A) a long focal length objective and a shorter focal ... (Read 157 times)

leo leo

  • Hero Member
  • *****
  • Posts: 566
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

leo leo

  • Hero Member
  • *****
  • Posts: 566
Reply #2 on: Jul 29, 2018
TY


lolol

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Wasp ocelli (simple eyes) and dorsal part of the compound eyes; also showing fine, unbranched hairs Wasp ocelli (simple eyes) and dorsal part of the compound eyes; also showing fine, unbranched hairs
Insects Under the Electron Microscope Insects Under the Electron Microscope
Levels of Processing Affects Long-Term but not Short-Term Memory Levels of Processing Affects Long-Term but not Short-Term Memory
RÜFÜS DU SOL Treat You Better (Official Full Length Video) RÜFÜS DU SOL Treat You Better (Official Full Length Video)
Part of a Semantic Network in Long-Term Memory Part of a Semantic Network in Long-Term Memory
When dry, the long fruits (pods) of the California poppy (Eschscholzia californica) split open sudde When dry, the long fruits (pods) of the California poppy (Eschscholzia californica) split open sudde
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library