sri lanka's educational hub - homeaswarphysics.weebly.com/uploads/4/6/2/...hasnooth.pdf ·...
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- SRI LANKA'S EDUCATIONAL HUB - Homeaswarphysics.weebly.com/uploads/4/6/2/...hasnooth.pdf · (3-1) 5 -0.2 — 147 120 122 2 2 240 244 2_lB 4 (f- 2), 240 f = 240 120 240 = 242 122 244
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