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

Author Question: The focal length of the objective of a telescope is 75.0 cm. While the eyepiece has a focal length ... (Read 61 times)

ashley

  • Hero Member
  • *****
  • Posts: 584
on: Jul 27, 2018
The focal length of the objective of a telescope is 75.0 cm. While the eyepiece has a focal length of 6.00 cm, what is the magnifying power of this telescope?
 
  A) 0.0800
  B) 0.645
  C) 450
  D) 12.5
  E) 200

Question 2

When an object is placed 60. cm from a converging lens, it forms a real image. When the object is moved to 40. cm from the lens, the image moves 10. cm farther from the lens. What is the focal length of the lens?
 
  A) 42. cm
  B) 50. cm
  C) 40. cm
  D) 20. cm
  E) 30. cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dinolord

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


ashley

  • Member
  • Posts: 584
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Elrathia kingii growth series with holaspids ranging from 16.2 mm to 39.8 mm in length Elrathia kingii growth series with holaspids ranging from 16.2 mm to 39.8 mm in length
Taken by Hinode's Solar Optical Telescope on January 12, 2007, this image of the Sun reveals th Taken by Hinode's Solar Optical Telescope on January 12, 2007, this image of the Sun reveals th
Essentials of a Refracting Telescope Essentials of a Refracting Telescope
Buying a Telescope Buying a Telescope
Telescope Telescope
Einstein telescope Einstein telescope
Video: The Vestibular System

For a complete list of videos, visit our video library