Day 351: MHT-CET Physics

1. A.
   zero
2. B.
   $\dfrac{mvh^2}{\sqrt{2}}$
3. C.
   $\dfrac{mv^2h}{\sqrt{2}}$
4. D.
   $\dfrac{mvh}{\sqrt{2}}$

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1. A.
   $Y$ exists when $A$ or $B$ exists but not when both $A$ and $B$ exist.
2. B.
   $Y$ exists only when $A$ and $B$ both exist.
3. C.
   $Y$ exists when both $A$ and $B$ do not exist.
4. D.
   $Y$ exists when $A$ exists or $B$ exists or both $A$ and $B$ exist

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1. A.
   Speed of sound waves is more.
2. B.
   Speed of sound waves is less.
3. C.
   Speed of sound waves remains same.
4. D.
   Speed of sound waves becomes zero.

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1. A.
   $\dfrac{\mu_0e^2m^2}{8\epsilon_0h^2}$
2. B.
   $\dfrac{\mu_0e^7\pi m^2}{8\epsilon_0^3h^5}$
3. C.
   $\dfrac{\mu_0e^5\pi m}{6\epsilon_0^2h^2}$
4. D.
   $\dfrac{\mu_0e^2\pi m^2}{8\epsilon_0h^2}$

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1. A.
   same amplitude and same frequency.
2. B.
   different amplitude but same frequency.
3. C.
   same amplitude but slightly different frequencies.
4. D.
   different amplitude and different frequencies.

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