Day 121: MHT-CET Physics

1. A.
   $5, 8$
2. B.
   $6, 7$
3. C.
   $7, 5$
4. D.
   $4, 3$

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1. A.
   $\dfrac{e^2}{2r^2}$
2. B.
   $\dfrac{e^2}{r^2}$
3. C.
   $\dfrac{e^2}{2r}$
4. D.
   $\dfrac{e^2}{4r}$

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1. A.
   $420$
2. B.
   $240$
3. C.
   $100$
4. D.
   $24$

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1. A.
   $20\,\Omega$
2. B.
   $25\,\Omega$
3. C.
   $40\,\Omega$
4. D.
   $50\,\Omega$

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1. A.
   $V_1 + V_2 = \left[\dfrac{2h}{m}(n_1 + n_2)\right]^{\frac{1}{2}}$
2. B.
   $V_1 - V_2 = \left[\dfrac{2h}{m}(n_1 - n_2)\right]^{\frac{1}{2}}$
3. C.
   $V_1^2 + V_2^2 = \dfrac{2h}{m}(n_1 + n_2)$
4. D.
   $V_1^2 - V_2^2 = \dfrac{2h}{m}(n_1 - n_2)$

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