Day 295: MHT-CET Physics

1. A.
   $\frac{U_0}{K}$
2. B.
   $\frac{U_0}{K^2}$
3. C.
   $U_0 K^2$
4. D.
   $\frac{U_0}{2}$

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1. A.
   1:2
2. B.
   2:3
3. C.
   3:4
4. D.
   2:1

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1. A.
   $\left[\frac{\frac{1}{2} + \sqrt{\frac{3}{8}}}{\frac{1}{2} - \sqrt{\frac{3}{8}}}\right]^2$
2. B.
   $\left[\frac{\frac{1}{4} + \sqrt{\frac{3}{8}}}{\frac{1}{2} - \sqrt{\frac{3}{8}}}\right]^2$
3. C.
   $\frac{5}{8}$
4. D.
   $\frac{8}{5}$

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1. A.
   $(3.00 \pm 0.010)$ $\mathrm{kg/m^3}$
2. B.
   $(3.00 \pm 0.015)$ $\mathrm{kg/m^3}$
3. C.
   $(3.00 \pm 0.020)$ $\mathrm{kg/m^3}$
4. D.
   $(3.00 \pm 0.045)$ $\mathrm{kg/m^3}$

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1. A.
   $2\pi\left(\frac{M_1 g x}{M+M_1}\right)^{\frac{1}{2}}$
2. B.
   $2\pi\left(\frac{(M+M_1)x}{M_1 g}\right)^{\frac{1}{2}}$
3. C.
   $\frac{\pi}{2}\left(\frac{M_1 g x}{M+M_1}\right)^{\frac{1}{2}}$
4. D.
   $2\pi\left(\frac{M+M_1}{M_1 g x}\right)^{\frac{1}{2}}$

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