This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A telescope is used to view two small lights separated by 2.0 cm at a distance of 500 m. What ... (Read 30 times)

Zoey63294

  • Hero Member
  • *****
  • Posts: 539
on: Jul 28, 2018
A telescope is used to view two small lights separated by 2.0 cm at a distance of 500 m. What minimum objective lens diameter is needed to just resolve these objects if their wavelength is 656 nm?
 a. 2.0 cm
  c. 1.2 cm
  b. 1.0 cm
  d. 2.4 cm

Question 2

Which of the following primarily determines the resolution of a telescope?
 a. the diameter of the eyepiece
  c. the focal length of the objective
  b. the diameter of the objective
  d. the barrel length


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dellikani2015

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


Zoey63294

  • Member
  • Posts: 539
Reply 2 on: Jul 28, 2018
Excellent

frankwu0507

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Thyroid conditions may make getting pregnant impossible.

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?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Superior view of heart valves illustrating position, size, and shape of each valve. Superior view of heart valves illustrating position, size, and shape of each valve.
Microscopic view of plant cells Microscopic view of plant cells
Small intestine, micro organisms Small intestine, micro organisms
A finger-stick is useful for obtaining small amounts of blood. A finger-stick is useful for obtaining small amounts of blood.
Distance from Earth to Sun schematic Distance from Earth to Sun schematic
Rapid, long-distance signaling in plants Rapid, long-distance signaling in plants
Video: Glycolysis - and oxygen

For a complete list of videos, visit our video library