Author Question: A simple compound microscope normally uses A) a long focal length objective and a shorter focal ... (Read 169 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?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

For a complete list of videos, visit our video library