Two metal wires P and Q of same length and material are stretched by the same load. Their masses are in the ratio m 1 : m 2 . The ratio of elongations of wire is

Question

Two metal wires P and Q of same length and material are stretched by the same load. Their masses are in the ratio m 1 : m 2 . The ratio of elongations of wire is, m 1 2 : m 2 2, m 2 2 : m 1 2, m 2 : m 1, m 1 : m 2

MARKS App · Accepted Answer

m 1 : m 2 Y = F l A Δ l Δ l = F l Y A m = ρ V = ρ × A × l A α m Δ l 1 Δ l 2 = A 2 A 1 = m 2 m 1

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