97.29: A student perfor 78dz ac)ytse (0ayy s2r(7)*wi0zkkcnwsh+pms an experiment similar to Young’s Double Slit Experiment. Coherent light passes through two narrow slits and produces a pattern of alternes* 07i07k yy acpksw (z )ray c2(+)zswdt8nhating bright and dark lines on a screen. Which of the following would cause the bright lines on the screen to be further apart?
I. Increasing the distance between the slits.
II. Decreasing the distance between the slits.
III. Decreasing the wavelength of the light.

  94.32: In Young’s do 4vd +u+hjddod,se-/ jij37yxuble slit experiment, second and higher order bright bands can overlap. Which third order band would occur at the same location as a second or4 jy3 dj sjixu-v/ed 7+ddh+o,der band of wavelength 660 nm?

  99.28： In the diagram, which of the followin1z09eeaa sj 5a/gz 5p 3bwky.ag would represent a zone or zones of constz9j1553a/ks0ae.eypg zwbaa ructive interference?
(1) from P to A (2) from P to B (3) from P to C

  06.45: In a Young's double-slit experimentmr. rn:ky 87yt, the slit separation is doubled. To maintain the same fringe spacing on the screen, the screen-to-slit dr: 87mn .ytkryistance D must be changed to