Day 380: MHT-CET Physics

1. A.
   $2\pi\sqrt{\dfrac{g}{r}}$
2. B.
   $2\pi\sqrt{\dfrac{r}{g}}$
3. C.
   $2\pi\sqrt{rg}$
4. D.
   $\dfrac{\sqrt{rg}}{2\pi}$

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1. A.
   $2{\text{ }V}_{s}$
2. B.
   $\left( \frac{2}{3} \right)v_{s}$
3. C.
   $\left(\frac{1}{2}\right)V_s$
4. D.
   $\left( \frac{3}{2} \right)v_{\text{s~}}$

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1. A.
   2
2. B.
   4
3. C.
   1000
4. D.
   10000

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1. A.
   $\sqrt{\lambda R(\lambda R-1)}$
2. B.
   $\sqrt{\frac{\lambda R}{\lambda R-1}}$
3. C.
   $\sqrt{\frac{\lambda R-1}{\lambda R}}$
4. D.
   $\sqrt{\dfrac{1}{\lambda R(\lambda R-1)}}$

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1. A.
   0.06 m
2. B.
   0.10 m
3. C.
   0.09 m
4. D.
   0.07 m

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