Day 481: JEE Mains Physics

1. A.
   $1.0 \times 10^{8}{\text{ }ms}^{- 1}$
2. B.
   $0.5 \times 10^{8}{\text{ }ms}^{- 1}$
3. C.
   $1.5 \times 10^{8}{\text{ }ms}^{- 1}$
4. D.
   $3.0 \times 10^{8}{\text{ }ms}^{- 1}$

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1. A.
   $21G$
2. B.
   $100G$
3. C.
   $59G$
4. D.
   $42G$

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1. A.
   $f_{t} = 2$ and $f_{r} = 2$
2. B.
   $f_{t} = 3$ and $f_{r} = 3$
3. C.
   $f_{t} = 3$ and $f_{r} = 2$
4. D.
   $f_{t} = 2$ and $f_{r} = 3$

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1. A.
   $150\text{ }N$
2. B.
   $300\text{ }N$
3. C.
   $200\text{ }N$
4. D.
   $100\text{ }N$

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