D
duytungvt


giao thoa khe iang. a=1mm.D=1m. L=30mm. L la chieu rong vung giao thoa. chieu vao khe S hai buoc song lamda1= 0.6micromet, lamda2= 0.5. tim so van sang co mau cua lamda2, lamda1 va so van sang co mau cua ca hai buoc song tren
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<)
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