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Des : 1

এখানে, Y = 2×1011

A = 1

l = 1×10-3

L = 1m

কৃতকাজ = 0.5 × (YAl2 ÷ L) = 0.5 × 2 × 1011 × 1 × (1 × 10-3)2 = 105J

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