Day 354: MHT-CET Physics

1. A.
   zero
2. B.
   $\sqrt{km}\,x$
3. C.
   $mx^2/K$
4. D.
   $Kx^2/2m$

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1. A.
   $nI(\vec{A}\cdot\vec{B})$
2. B.
   $nI(\vec{A} \times \vec{B})$
3. C.
   IBA/n
4. D.
   nBA/I

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1. A.
   ferromagnetic domains are perfectly arranged.
2. B.
   ferromagnetic domains become random.
3. C.
   ferromagnetic domains are not influenced.
4. D.
   ferromagnetic material changes itself into diamagnetic material.

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1. A.
   $\dfrac{2P_0}{\rho g}$
2. B.
   $\dfrac{P_0}{\rho g}$
3. C.
   $\dfrac{2P_0}{3\rho g}$
4. D.
   $\dfrac{P_0}{2\rho g}$

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1. A.
   $\dfrac{2\pi\sqrt{mr}}{T}$
2. B.
   $\dfrac{Tmr}{4\pi}$
3. C.
   $\dfrac{2\pi T}{\sqrt{mr}}$
4. D.
   $\dfrac{T^2mr}{4\pi}$

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