2. Suppose you pass light from a He-Ne laser through two slits separated by 0.0100 mm andfind that the third bright line on a screen is formed at an angle of 10.95" relative to the incidentbeam. What is the wavelength of the light?

Answered: Image /qna-images/answer/52a63995-efb0-4a76-bed5-008981c75547.jpg

Answered: 2. Suppose you pass light from a He-Ne…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter27: Wave Optics

Section: Chapter Questions

Problem 64PE: You are told not to shoot until you see the whites of their eyes. If the eyes are separated by 6.5...

See similar textbooks

Similar questions

X-rays of wavelength 0.103 nm reflects off a crystal and a second-order maximum is recorded at a Bragg angle of 25.5°. What is the spacing between the scattering planes in this crystal?
As a single crystal is rotated in an x-ray spectrometer (Fig. 3.22a), many parallel planes of atoms besides AA and BB produce strong diffracted beams. Two such planes are shown in Figure P3.38. (a) Determine geometrically the interplanar spacings d1 and d2 in terms of d0. (b) Find the angles (with respect to the surface plane AA) of the n = 1, 2, and 3 intensity maxima from planes with spacing d1. Let = 0.626 and d0 = 4.00 . Note that a given crystal structure (for example, cubic) has interplanar spacings with characteristic ratios, which produce characteristic diffraction patterns. In this way, measurement of the angular position of diffracted x-rays may be used to infer the crystal structure. Figure P3.38 Atomic planes in a cubic lattice.
You are told not to shoot until you see the whites of their eyes. If the eyes are separated by 6.5 cm and the diameter of your pupil is 5.0 mm, at what distance can you resolve the two eyes using light of wavelength 555 nm?
Radio telescopes are telescopes used for the detection of radio emission from space. Because radio waves have much longer wavelengths than visible light, the diameter of a radio telescope must be very large to provide good resolution. For example, the radio telescope in Penticton, BC in Canada, has a diameter of 26 m and can be operated at frequencies as high as 6.6 GHz. (a) What is the wavelength corresponding to this frequency? (b) What is the angular separation of two radio sources that can be resolved by this telescope? (c) Compare the telescope’s resolution with the angular size of the moon.
On a certain crystal, a first-order X-ray diffraction maximum is observed at an angle of 27.1° relative to its surface, using an X-ray source of unknown wavelength. Additionally, when illuminated with a different, this time of known wavelength 0.137 nm, a second-order maximum is detected at 37.3°. Determine (a) the spacing between the reflecting planes, and (b) the unknown wavelength.
The movable mirror of a Michelson interferometer is attached to one end of a thin metal rod of length 23.3 mm. The other end of the rod is anchored so it does not move. As the temperature of the rod changes from 15°C to 25 C , a change of 14 fringes is observed. The light source is a He Ne laser, =632.8 nm . What is the change in length of the metal bar, and what is its thermal expansion coefficient?
65 .. The first excited state of an atom of a gas is 2.85 eV above the ground state. (a) What is the maximum wavelength of radiation for resonance absorption by atoms of the gas that are in the ground state? (b) If the gas is irradiated with monochromatic light that has a wavelength of 320 nm, what is the wavelength of the Raman scat- tered light? moisiveh mun
1. A helium-neon laser, radiating at 632.8 nm, has a power output of 3.0 mW. The beam diverges at angle 0.17 mrad as in fig 1. (a) What is the intensity of the beam 40m from the laser? (b) What is the power of a point source providing that intensity at that distance? Laser Figure 1: Helium neon laser
4. A double Nd:YAG laser (A = 532 nm) is used as the optical source in a Twyman-Green interferometer. What would be the height of a surface defect to provide one half fringe shift (e.g. from light to dark)? Permittivity of free space Permeability of free space Velocity of light in vacuum E0 8.85 x 10-12 Fm Ho 47 x 10-7 Hm-! 3.00 x 10° ms-
2. Suppose you pass light from a He-Ne laser through two slits separated by 0.0100 mm and find that the third bright line on a screen is formed at an angle of 10.95" relative to the incident beam. What is the wavelength of the light?
7. A light emitting diode (LED) has a center wavelength 2 = 1.31μm and a bandwidth AX= 40nm; given the speed of light in vacuum c = 3 x 10" m/s. (1) What kind of device can you use to measure the coherence time? Calculate frequency bandwidth (in Hz); / Calculate the coherence time [in fs); (1 fs = 10 sec.); 1
4. Why do longitudinal modes occur in a laser beam? A HeNe laser (n = 1) has a cavity length of 60cm and an output wavelength of 632.8 nm. Find the mode spacing.

SEE MORE QUESTIONS

Recommended textbooks for you

College Physics

Physics

ISBN:

9781938168000

Author:

Paul Peter Urone, Roger Hinrichs

Publisher:

OpenStax College

University Physics Volume 3

Physics

ISBN:

9781938168185

Author:

William Moebs, Jeff Sanny

Publisher:

OpenStax

Physics for Scientists and Engineers, Technology …

Physics

ISBN:

9781305116399

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

College Physics

Physics

ISBN:

9781938168000

Author:

Paul Peter Urone, Roger Hinrichs

Publisher:

OpenStax College

University Physics Volume 3

Physics

ISBN:

9781938168185

Author:

William Moebs, Jeff Sanny

Publisher:

OpenStax

Physics for Scientists and Engineers, Technology …

Physics

ISBN:

9781305116399

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

Principles of Physics: A Calculus-Based Text

Physics

ISBN:

9781133104261

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

Physics for Scientists and Engineers with Modern …

Physics

ISBN:

9781337553292

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

Physics for Scientists and Engineers

Physics

ISBN:

9781337553278

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS

2. Suppose you pass light from a He-Ne laser through two slits separated by 0.0100 mm and find that the third bright line on a screen is formed at an angle of 10.95" relative to the incident beam. What is the wavelength of the light?