Heat And Thermodynamics Ques 189
- The piston is now pulled out slowly and held at a distance $2 L$ from the top. The pressure in the cylinder between its top and the piston will then be
$(2007,4\ M)$
(a) $p _0$
(b) $\frac{p _0}{2}$
(c) $\frac{p _0}{2}+\frac{M g}{\pi R^{2}}$
(d) $\frac{p _0}{2}-\frac{M g}{\pi R^{2}}$
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Answer:
Correct Answer: 189.(a)
Solution:
Since it is open from top, pressure will be $p_0$.
BETA
