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The 300-m-diameter Arecibo radio telescope pictured in Figure 27.28 detects radio waves with a 4.00 cm average wavelength.(a) What is the angle between two just-resolvable point sources for this telescope?(b) How close together could these point sources be at the 2 million light year distance of the Andromeda galaxy?

A. $\theta=1.63 \times 10^{-4} \mathrm{rad}$B. $x=3.25 \mathrm{ly}$

Physics 103

Chapter 27

Wave Optics

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Lectures

02:51

In physics, wave optics is…

10:02

Interference is a phenomen…

02:48

The 305 -m-diameter Arecib…

03:38

Quasars, or quasi-stellar …

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The radio telescope at Are…

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The Hubble Space Telescope…

06:17

Radio waves of wavelength …

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The objective lens of a ce…

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Astronomers observe a 60.0…

03:03

A small telescope has a co…

0:00

05:41

Radio telescopes are teles…

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$\bullet$ A telescope is u…

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(III) A reflecting telesco…

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When Mars is nearest the E…

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The angular resolution of …

03:39

(II) Estimate the angular …

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A refracting telescope is …

03:41

03:01

Galileo's Telescope G…

05:17

(II) The nearest neighbori…

01:51

Two stars are 3.7 \times $…

the angle between just result points, um, is given by better. It's a call to this is but a 1.22 terms Alemdar derided by ity of then substituting the values for Linda, which is a full time stamped by reminders to derided by 300 meters. Simplifying this we get there, that had to be 1.6263 Zauri time spent with power minus four radiance from here. Then we can In what? Me? We confined the distance. Which is why so that turned that that is approximately equal potato for small ingles. Then why is it called to ex later? So, um, so why will be cool to two times off? Um, 10 to the power. Six light years times the given angle in ready and 1.63 times 10 to the power minus for it. This gives us a distance. Why just 3.25 light years

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The 305 -m-diameter Arecibo radio telescope pictured in Figure 4.20 detects …

Quasars, or quasi-stellar radio sources, are astronomical objects discovered…

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(III) A reflecting telescope (Fig. 25$-$22b) has a radius of curvature of 3.…

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