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

Author Question: Even relatively small astronomical telescopes are ordinarily not used for terrestrial observation ... (Read 80 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Jul 28, 2018
Even relatively small astronomical telescopes are ordinarily not used for terrestrial observation because:
 a. their images are not in color.
  c. their images are too bright.
  b. their images are inverted. d. their images are too dim.

Question 2

A telescope has an objective lens with a focal length of 90 cm and an eyepiece of focal length 3.0 cm. What is the angular magnification of the telescope?
 a. 180
  c. 60
  b. 33
  d. 30


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

k.lashomb

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

D


sabina

  • Member
  • Posts: 563
Reply 2 on: Jul 28, 2018
Wow, this really help

ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

The alimentary canals of a nonruminant herbivore and a small carnivore. The alimentary canals of a nonruminant herbivore and a small carnivore.
The small intestine. Anterior view of the abdominopelvic cavity illustrating how the three sections The small intestine. Anterior view of the abdominopelvic cavity illustrating how the three sections
Life cycle of Ascaris: Adult worms (1) live in the lumen of the small intestine. A female may ... Life cycle of Ascaris: Adult worms (1) live in the lumen of the small intestine. A female may ...
The small arrows indicate the air bypassing the throttle plate in the closed throttle position. ... The small arrows indicate the air bypassing the throttle plate in the closed throttle position. ...
Vitamins Absorbing in the small intestine Vitamins Absorbing in the small intestine
Terrestrial Planets "الكواكب الأرضية" Terrestrial Planets "الكواكب الأرضية"
Video: Introduction to Sleep Apnea

For a complete list of videos, visit our video library