Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
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Textbook Question
Chapter 32, Problem 71PP
If the separation of two telescopes comprising an interferometer is doubled, the angular separation between two sources just barely resolvable by the interferometer will
- a. not change.
- b. decrease by a factor of 1/
- c. halve.
- d. double.
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If the separation of two telescopes comprising an interferome-
ter is doubled, the angular separation between two sources just
barely resolvable by the interferometer will
a. not change.
b. decrease by a factor of 1/V/2.
c. halve.
d. double.
If the diameter of a radar dish is doubled, what happens to its resolving power, assuming that all other factors remain unchanged?
a. The resolving power quadruples.
b.The resolving power doubles.
c. The resolving power is reduced to 1/2 of its original value.
d. The resolving power is reduted to 1/4 of its original value.
e.The resolving power does/not change unless the focal length changes.
f.None of the above
5. A diffraction-limited telescope with a 7.6 cm aperture is aimed at target 12.5 km away. Assuming light
of 580 nm wavelength and neglecting air turbulence, what size details can be resolved by the telescope?
A) 8.2 cm
B) 10.0 cm
C) 11.3 cm
D) 12.43 cm
E) 12.88 cm
Chapter 32 Solutions
Essential University Physics (3rd Edition)
Ch. 32.1 - Laser light is split into two beams, one of which...Ch. 32.2 - If you increase the slit separation in a two-slit...Ch. 32.4 - If you photographed the soap film in Fig. 32.14...Ch. 32.5 - A classmate down the hall is playing obnoxiously...Ch. 32.6 - You're a biologist trying to resolve details of...Ch. 32 - A prism bends blue light more than red. Is the...Ch. 32 - Prob. 2FTDCh. 32 - Prob. 3FTDCh. 32 - Why don't you see interference effects between the...Ch. 32 - You can hear around corners, but you cant see...
Ch. 32 - In deriving the intensity in double-slit...Ch. 32 - The primary maxima in multiple-slit interference...Ch. 32 - Prob. 8FTDCh. 32 - Sketch roughly the diffraction pattern you would...Ch. 32 - A double-slit system is used to measure the...Ch. 32 - A double-slit experiment with d = 0.025mm and L =...Ch. 32 - A double-slit experiment has slit spacing 0.12 mm....Ch. 32 - The interference pattern from two slits separated...Ch. 32 - The 546-nm green line of gaseous mercury falls on...Ch. 32 - In a five-slit system, how many minima lie between...Ch. 32 - In a three-slit system, the first minimum occurs...Ch. 32 - A five-slit system with 7.5-m slit spacing is...Ch. 32 - Green light at 520 nm is diffracted by a grating...Ch. 32 - Light is incident normally on a grating with...Ch. 32 - Prob. 20ECh. 32 - Find the minimum thickness of a soap film (n =...Ch. 32 - Light of unknown wavelength shines on a precisely...Ch. 32 - Monochromatic light shines on a glass wedge with...Ch. 32 - White light shines on a 75.0-nm-thick sliver of...Ch. 32 - For the soap film described in Conceptual Example...Ch. 32 - For what ratio of slit width to wavelength will...Ch. 32 - Light with wavelength 633 nm is incident on a...Ch. 32 - Youre inside a metal building that blocks radio...Ch. 32 - Find the intensity as a fraction of the central...Ch. 32 - Prob. 30ECh. 32 - Find the minimum telescope aperture that could...Ch. 32 - Whats the longest wavelength of light you could...Ch. 32 - In bright light, the human eyes pupil diameter is...Ch. 32 - Find the angular position of the second-order...Ch. 32 - A double-slit experiment has slit spacing 0.035nm,...Ch. 32 - For a double-slit system with slit spacing 0.0525...Ch. 32 - A screen 1.0 m wide is 2.0 m from a pair of slits...Ch. 32 - A tube of glowing gas emits light at 550 nm and...Ch. 32 - On the screen of a multiple-slit system, the...Ch. 32 - Youre designing a spectrometer whose...Ch. 32 - For visible light with wavelengths from 400 nm to...Ch. 32 - Find the total number of lines in a 2.5-cm-wide...Ch. 32 - What order is necessary to resolve 647.98-nm and...Ch. 32 - A thin film of toluene (n = 1.49) floats on water....Ch. 32 - NASA asks you to assess the feasibility of a...Ch. 32 - In the second-order spectrum from a diffraction...Ch. 32 - Prob. 47PCh. 32 - As a soap bubble with n = 1.333 evaporates and...Ch. 32 - An oil film with refractive index 1.25 floats on...Ch. 32 - The table below lists the angular positions of the...Ch. 32 - Two perfectly flat glass plates are separated at...Ch. 32 - An air wedge like that of Fig. 32.28 shows N...Ch. 32 - A Michelson interferometer uses light from glowing...Ch. 32 - Find the wavelength of light used in a Michelson...Ch. 32 - One arm of a Michelson interferometer is 42.5 cm...Ch. 32 - Your stereo is in a dead spot caused by direct...Ch. 32 - A proposed star wars antimissile laser is to focus...Ch. 32 - Suppose one of the 10-m-diameter Keck Telescopes...Ch. 32 - A camera has an f/1.4 lens, meaning the ratio of...Ch. 32 - The CIA wants your help identifying individual...Ch. 32 - While driving at night, your eyes irises dilate to...Ch. 32 - Under the best conditions, atmospheric turbulence...Ch. 32 - Prob. 63PCh. 32 - An air wedge like that of Fig. 32.28 displays...Ch. 32 - A thin-walled glass tube of length L containing a...Ch. 32 - Light is incident on a diffraction grating at...Ch. 32 - An arrangement known as Lloyds mirror (Fig. 32.29)...Ch. 32 - The intensity of the single-slit diffraction...Ch. 32 - Youre on an international panel charged with...Ch. 32 - Youre investigating an oil spill for your state...Ch. 32 - If the separation of two telescopes comprising an...Ch. 32 - If the separation of two telescopes comprising an...Ch. 32 - If a point source is located directly above a...Ch. 32 - If a point source is located on a line at 45 to...
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- What is the approximate size of the smallest object on the Earth that astronauts can resolve by eye when they are orbiting 250 km above the Earth? Assume = 500 nm and a pupil diameter of 5.00 mm.arrow_forwardHow far apart must two objects be on the moon to be resolvable by the 8.1-m-diameter Gemini North telescope at Mauna Kea, Hawaii, if only the diffraction effects of the telescope aperture limit the resolution? Assume 550 nm for the wavelength of light and 400,000 km for the distance to the moon.arrow_forwardAssuming the angular resolution found for the Hubble Telescope in Example 27.5, what is the smallest detail that could be observed on the Moon?arrow_forward
- How far apart must two objects be on the moon to be distinguishable by eye if only the diffraction effects of the eye’s pupil limit the resolution? Assume 550 nm for the wavelength of light, the pupil diameter 5.0 mm, and 400,000 km for the distance to the moon.arrow_forwardThe Hubble Space Telescope, orbiting above Earth’s atmosphere, eliminates the blurring effect of Earth’s atmosphere and permits the telescope to a. observe gamma rays. b. observe wavelengths from the near infrared to the near ultraviolet. c. receive radio wavelengths. d. transmit radar pulses that reflect off the surface of the moon.arrow_forwardA diffraction-limited telescope with a 7.6-cm aperture is aimed at target 12.5 km away. Assuming light of 500 nm wavelength and neglecting air turbulence, determine the size of details can be resolved by the telescope. O A. 20 cm. B. 5 cm c. 15 cm O D. 10 cmarrow_forward
- Which of the following describes interferometry? a. It is used to improve resolving power. b. It decreases the chromatic aberration of a telescope. c. It works only for large X-ray and ultraviolet telescopes. d. It requires that radio telescopes be within a few hundred feet of each other. e. None of the above statements are true.arrow_forward1. The Resolution of Hubble The Hubble Space Telescope (HST) orbits Earth at an altitudeof 613 km. It has an objective mirror that is 2.4 m in diameter. If the HST were to look downon Earth’s surface (rather than up at the stars), what is the minimum separation of twoobjects on the Earth’s surface that could be resolved using 550-nm light?arrow_forwardTo focus X rays, such as those collected in the Chandra X–Ray Observatory, it is necessary to use a. a lens. b. a concave glass mirror, such as that used in an optical reflecting telescope. c. a metal dish, such as that used in a radio telescope. d. grazing incidence optics shaped like a converging, hollow tube. e. a mesh of conducting wires.arrow_forward
- 2. The primary mirror of the orbiting telescope has a diameter of 6.7 cm being in orbit, this telescope avoids the degrading effects of atmospheric distortion on its resolution. Assuming an average light wavelength of 400 nm, what is the angle between two just-resolvable point light sources? A) 4.02 x 10“ rad B) 5.24 x 106 rad C) 6.44 x 106 rad D) 7.28 x 106 rad E) 8.03 x 106 radarrow_forward1. A diffraction-limited telescope with a 7.6 cm aperture is aimed at target 12.5 km away. Assuming light of 590 nm wavelength and neglecting air turbulence, what size details can be resolved by the telescope? A. 10 cm B. 11cm C. 12 cm D. 13 cmarrow_forwardSuppose that two stars are separated in the sky by 0.45 arcsecond. If you look at them with a telescope that has an angular resolution of 0.4 arcsecond, what will you see? O A. one point of light that is the blurred image of both stars O B. two distinct stars C. nothing at all D. This can't be answered without knowing the size of the telescope.arrow_forward
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