Maharashtra HSC Class 12 Physics February 2023 question paper

1. A.
   $\sqrt{\dfrac{2}{\pi nd}}$
2. B.
   $\dfrac{1}{2\pi nd^{2}}$
3. C.
   $\dfrac{1}{\sqrt{2}\,\pi nd^{2}}$
4. D.
   $\dfrac{1}{\sqrt{2}\,\pi nd}$

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1. A.
   momentum
2. B.
   energy
3. C.
   mass
4. D.
   velocity

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1. A.
   OR - gate
2. B.
   AND - gate
3. C.
   NOR - gate
4. D.
   NAND - gate

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1. A.
   velocity
2. B.
   wavelength
3. C.
   amplitude
4. D.
   frequency

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1. A.
   1 Wb
2. B.
   50 Wb
3. C.
   100 Wb
4. D.
   200 Wb

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1. A.
   $\theta = 0$
2. B.
   $0 < \theta < \dfrac{\pi}{2}$
3. C.
   $\theta = \dfrac{\pi}{2}$
4. D.
   $\dfrac{\pi}{2} < \theta < \pi$

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1. A.
   junction is reverse biased
2. B.
   depletion region widens
3. C.
   holes and electrons recombine
4. D.
   junction becomes hot

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1. A.
   low coercivity and low retentivity
2. B.
   low coercivity and high retentivity
3. C.
   high coercivity and high retentivity
4. D.
   high coercivity and low retentivity

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1. A.
   0.5 V
2. B.
   1.0 V
3. C.
   1.5 V
4. D.
   2.0 V

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1. A.
   2
2. B.
   4
3. C.
   8
4. D.
   16

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