Day 298: MHT-CET Physics

1. A.
   Acceleration of electron in $n=2$ orbit is less than that in $n=1$ orbit.
2. B.
   Angular momentum of electron in $n=2$ orbit is more than that in $n=1$ orbit.
3. C.
   Kinetic energy of electron in $n=2$ orbit is less than that in $n=1$ orbit.
4. D.
   Potential energy of electron in $n=2$ orbit is less than that in $n=1$ orbit.

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1. A.
   concentration of majority carriers.
2. B.
   concentration of minority carriers.
3. C.
   applied voltage.
4. D.
   recombination of holes and electrons.

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1. A.
   22.5 m
2. B.
   60.0 m
3. C.
   90.0 m
4. D.
   120.0 m

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1. A.
   $\sqrt{\dfrac{M\pi}{4I}}$
2. B.
   $4\pi\left(\dfrac{I}{M}\right)^{1/2}$
3. C.
   $4\left(\dfrac{M}{\pi I}\right)^{1/2}$
4. D.
   $4\pi\sqrt{\dfrac{M}{I}}$

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1. A.
   3
2. B.
   6
3. C.
   9
4. D.
   12

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