Day 417: MHT-CET Physics

1. A.
   $40\text{ }m/s$
2. B.
   $80\text{ }m/s$
3. C.
   $160\text{ }m/s$
4. D.
   $200\text{ }m/s$

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1. A.
   $\frac{2}{\sqrt{3}} \times 10^8$ m/s
2. B.
   $1.5 \times 10^8$ m/s
3. C.
   $2.1 \times 10^8$ m/s
4. D.
   $2.5 \times 10^8$ m/s

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1. A.
   The velocity vector is tangent to the circle.
2. B.
   The acceleration vector is tangent to the circle.
3. C.
   The velocity and acceleration vectors are perpendicular to each other.
4. D.
   The acceleration vector points to the center of the circle.

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1. A.
   $100\,\mu\text{A}$
2. B.
   $0.01\,\text{mA}$
3. C.
   $0.25\,\text{mA}$
4. D.
   $500\,\mu\text{A}$

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1. A.
   10.2 eV
2. B.
   -10.2 eV
3. C.
   -13.6 eV
4. D.
   Both (a) and (b)

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