Two reflecting telescopes have the same angular resolution, but one of them uses visible light, and...

Two reflecting telescopes have the same angular resolution, but one of them uses visible light, and the other uses infrared. Which telescope must have the larger primary mirror?

Expert Solution

genius_generous answered 2 years ago

3. Radio telescopes are often much larger in diameter than optical (i.e. visible light) telescopes; some...

3. Radio telescopes are often much larger in diameter than optical (i.e. visible light) telescopes; some of the larger ones have diameters of 100 meters, while the largest optical telescopes are only about 10 meters in diameter. Assume that radio telescopes observe at wavelengths around 1 cm, which is about 20,000 times longer than the wavelengths of visible light. a) Explain why these large radio telescopes have much greater light-gathering power than large optical telescopes. Explain what quantities light-gathering power...

1. Canada owns a share of the Gemini telescopes – two telescopes, one in the Northern...

1. Canada owns a share of the Gemini telescopes – two telescopes, one in the Northern Hemisphere (Hawaii), the other in the Southern Hemisphere (Chile). Each Gemini telescope has an f/1.8 primary mirror which has a diameter of 8.1 metres. a) What is the ratio of the light-gathering power of a single Gemini telescope to that of my 135 mm refracting telescope at home? b) What is the focal length (m) of the primary mirror of a Gemini telescope? c)...

the speed of gamma radiation is higher than lower than same as visible light

Drop two sheets of notebook paper to the ground at the same time, one of them...

Drop two sheets of notebook paper to the ground at the same time, one of them open and the other crumpled up tightly. Drop the crumpled sheet and a stone at the same time. Drop a pebble and a large stone at the same time. Explain the results.

One of the complex ions below absorb the shortest wavelength of visible light equal to 429...

One of the complex ions below absorb the shortest wavelength of visible light equal to 429 nm. (1) [CoI6]3-, (2) [Co(H2O)6]3+, (3) [Co(OH)6]3+, (4) [Co(NH3)6]3+, (5) [Co(en)3]3+. Given the spectrochemical series, color(wavelength range), and the values of Plank's constant, h, and the speed of light, c, below; I- < Br- < Cl- < F- < OH- < H2O < NH3 < en < NO2- < CN- Red(750-650)nm, Orange(650-580)nm, Yellow(580-560)nm, Green(560-490)nm, Blue(490-430)nm, Violet(430-400)nm, [h = 6.626 x 10-34 J·s, c = 2.998 x...

You have a camera that is sensitive in the visible light range. Your 3D printing facility...

You have a camera that is sensitive in the visible light range. Your 3D printing facility has informed you that all inks are out except the transparent type. Your group mates try to paint or attach opaque black tape to the printed transparent ink, but only small, tiny pieces manage to stick and you cannot cover the box with such pieces - it is too much work. To make matters worse, your assignment to make a pinhole camera is due...

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Two reflecting telescopes have the same angular resolution, but one of them uses visible light, and...

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