... 500 L=L2=L1 A L1 = 1 3.1 0-4 H; C = F 4π 2 âu 5: B L1 = 3.1 0-4 H; C = F π 2 C L1 = 1 0-4 H; C = F π 3π D L1 = 1 0-4 H; C = F π 3π 1, S2 A 0,2mm âu 6: B 0,6mm C 0,8mm λ 1S2 D 0,4mm Δ 1S2 S1S2 2 x ... t v D 2, 5 : âu 3: λ -3 4 J.s, e=1,6.1 0-1 9C, c=3.108 A 0 ,25 8 A âu 4: B 0,416 A β+: C 0, 125 A D.0,179A c c a ngu n n n kh i ngu n ng .1 0-6 s âu 5: λ A .29 âu 6: B .27 C .25 D .26 1O2 1O2 1O2 A 40 ... D.Sol1 2 âu 46: A Hz âu 47: α0 A mg ( 1- cosα0 ) B 12, 5Hz C 50Hz D.75Hz B mg ( 1- cosα0 ) /2 C mg ( 1- cosα0 ) D mg( 1- cosα0 ) âu 48: λ...