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Chapter 36: Q7P (page 1109)
Light of wavelength is incident on a narrow slit. The angle between the first diffraction minimum on one side of the central maximum and the first minimum on the other side is . What is the width of the slit?
The width of slit is .
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The pupil of a person鈥檚 eye has a diameter of 5.00 mm. According to Rayleigh鈥檚 criterion, what distance apart must two small objects be if their images are just barely resolved when they are 250 mm from the eye? Assume they are illuminated with light of wavelength 500 nm
Monochromatic light (wavelength) is incident perpendicularly on a single slit (width). A screen is placed parallel to the slit plane, and on it the distance between the two minima on either side of the central maximum is .
(a) What is the distance from the slit to the screen? (Hint:The angle to either minimum is small enough that.)
(b) What is the distance on the screen between the first minimum and the third minimum on the same side of the central maximum?
Light of wavelength 440 nm passes through a double slit, yielding a diffraction pattern whose graph of intensity I versus angular position is shown in Fig. 36-44. Calculate (a) the slit width and (b) the slit separation. (c) Verify the displayed intensities of the and interference fringes.
An x-ray beam of wavelength A undergoes first-order reflection (Bragg law diffraction) from a crystal when its angle of incidence to a crystal face is , and an x-ray beam of wavelength undergoes third-order reflection when its angle of incidence to that face is . Assuming that the two beams reflect from the same family of reflecting planes, find (a) the interplanar spacing and (b) the wavelength A.
A plane wave of wavelength is incident on a slit with a width of . A thin converging lens of focal length is placed between the slit and a viewing screen and focuses the light on the screen. (a) How far is the screen from the lens? (b) What is the distance on the screen from the center of the diffraction pattern to the first minimum?
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