Properties of Solids & Fluids · JEE Main previous year questions

2005 2 questions

1. Q942005 · 28 Apr 2005 · Shift 1

   If $S$ is stress and $Y$ is young's modulus of material of a wire, the energy stored in the wire per unit volume is

   1. A.$\frac{S^2}{2Y}$
   2. B.$2S^{2}Y$
   3. C.$\frac{S}{2Y}$
   4. D.$\frac{2Y}{S^2}$
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   Answer: A

2. Q952005 · 28 Apr 2005 · Shift 1

   A $20\mathrm{cm}$ long capillary tube is dipped in water. The water rises up to $8\mathrm{cm}$. If the entire arrangement is put in a freely falling elevator the length of water column in the capillary tube will be

   1. A.$10\mathrm{cm}$
   2. B.$8\mathrm{cm}$
   3. C.$20\mathrm{cm}$
   4. D.$4\mathrm{cm}$
   Show answer

   Answer: C