By what factor is the light gathering ability of a 16 inch aperture (diameter) telescope greater than that of a 4 inch aperture (diameter) telescope?
Added by David S.
Step 1
Given that the radius is 2 inches, the area can be calculated as: \[ A = \pi \times (2)^2 = 4\pi \text{ square inches} \] ** Show more…
Show all steps
Your feedback will help us improve your experience
Aparna Shakti and 99 other Physics 101 Mechanics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Many amateur astronomers start out with a 4 -inch (aperture) telescope and then graduate to a 16 -inch telescope. By what factor does the light-gathering power of the telescope increase with this upgrade? How much fainter are the faintest stars that can be seen in the larger telescope?
The light-gathering power of a 4 -meter telescope is ________________ than that of a 2 -meter telescope. a. 8 times larger b. 4 times larger c. 16 times smaller d. 2 times smaller
Recommended Textbooks
University Physics with Modern Physics
Physics: Principles with Applications
Fundamentals of Physics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD