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‘A beam of monochromatic light approaches @ barrier having four openings, A, B,C, and D, of different sizes as shown below. Which opening will cause the greatest diffraction? Modern Physics _— PHY1008 nent Four beams of different monochromatic ight rays/waves ‘approache a barrier having four openings, A,B, C, and D, mes ‘of different sizes as shown below. Which opening will : ‘cause the greatest diffraction? sine ma, e 7 < Sin = ia eo ind 0 is proportions to 2/s Sin ris proportional toa ‘The smallest opening dstance causes the greatest fraction a Visible light of wavelength $50 nm falls on a single sit and produces its second difraction minimum at an angle ‘of 45° relative tothe incident direction ofthe light. 2 =15nm=151109m ‘LWhat isthe width of the sit? D=25m se 2. At what angle isthe first order minimum proéuced?,_ a=12mm=12100%m 4 Ya * MAD /2 and Yay = (eS RO/a i sao i Weare gventhat 26550 am, m2, and 0,-5.0 Solving the equation osind= md ind = md 5 md news fee 2¢R50mm) 1100 x 10 * sme- Four beams of monochromatic light approaches. barir isnt ine having Ur Openings, A 8 C, and 0, of diferent sizes as shown below. Which opening wil cause the greatest lifration? sind mide Ve cena scam Sin ris proportional to a The greatest dation is caused by the smalest opening i stance and the longest wavelength batt estan What is the distance between two successive dark fringes when a light with wavelength 15 nm shines through @ slit of length 12 mm onto a wall which Is placed 2.5 m from the sit? nO = ie Sin ris proportional toa The greatest difraction Is caused by the smalest opening dlstance and the longest wavelength