Day 528: JEE Mains Physics

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

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1. A.
   $\frac{T_{1}}{{\text{ }T}_{2}} = \frac{3}{\sqrt{2}}$
2. B.
   $\frac{T_{1}}{{\text{ }T}_{2}} = \sqrt{\frac{3}{2}}$
3. C.
   $\frac{T_{1}}{{\text{ }T}_{2}} = \sqrt{\frac{2}{3}}$
4. D.
   $\frac{T_{1}}{{\text{ }T}_{2}} = \frac{\sqrt{2}}{3}$

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1. A.
   $\frac{f}{\mu}$
2. B.
   $\frac{f}{(\mu - 1)}$
3. C.
   $\mu f$
4. D.
   $f$

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1. A.
   $A = 1$ and $B = 1$
2. B.
   $A = 0$ and $B = 1$
3. C.
   $A = 1$ and $B = 0$
4. D.
   A = 0 and $B = 0$

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1. A.
   20 N
2. B.
   0 (zero)
3. C.
   10 N
4. D.
   $10\sqrt{2}\text{ }N$

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