Solution-Which of spot patterns shown is most likely shape

Which of spot patterns shown is most likely shape of beam

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a) Why can a laser disc that is written with a blue laser store more information than a laser disc that is written with a red laser?

b)Laser light with a circular cross-section passes through a slit in an opaque card.The slit is shaped as shown below.After passing through the slit and traveling a great distance the beam no longer will have a circular cross section.Which of the spot patterns shown is the most likely shape of the beam after passing through the slit and traveling a great distance.Briefly explain.

Reference no: EM13884805

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Which of spot patterns shown is most likely shape of beam

Reference no: EM13884805

Reference no: EM13884805

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