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MHT CET20192 May 2019Morning ShiftPhysicsMechanical Properties of SolidsActual

Two identical wires of substances ‘ P ’ and ‘ Q ’ are subjected to equal stretching force along the length. If the elongation of ‘ Q ’ is more than that of ‘ P ’, then

Options

  1. Aboth P and Q are equally elastic
  2. BP is more elastic than Q
  3. CP is plastic and Q is elastic
  4. DQ is more elastic than P

Correct answer

B. P is more elastic than Q

Step-by-step solution

ϒ = F A ∆ l l F A = s a m e f o r b o t h ∴ Y ∝ 1 ∆ l ∆ l Q > ∆ l P ∴ Y P > Y Q

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