Day 331: JEE Mains Physics

1. A.
   $\lambda_{p} = \lambda_{n} > \lambda_{e} > \lambda_{\alpha}$
2. B.
   $\lambda_{\alpha} < \lambda_{n} < \lambda_{p} < \lambda_{e}$
3. C.
   $\lambda_{e} < \lambda_{p} = \lambda_{n} > \lambda_{\alpha}$
4. D.
   $\lambda_{e} = \lambda_{p} = \lambda_{n} = \lambda_{\alpha}$

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1. A.
   $\frac{3}{2}\frac{a^{2}}{r^{2}}$
2. B.
   $\frac{2}{3}\frac{a^{2}}{r^{2}}$
3. C.
   $\frac{2}{3}\frac{r^{2}}{a^{2}}$
4. D.
   $\frac{3}{2}\frac{r^{2}}{a^{2}}$

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1. A.
   $11.2\text{ }km/s$
2. B.
   $8.4\text{ }km/s$
3. C.
   $4.2\text{ }km/s$
4. D.
   $7.9\text{ }km/s$

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1. A.
   $9:4$
2. B.
   $9:1$
3. C.
   $2:1$
4. D.
   $25:9$

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1. A.
   $\frac{5}{16}$
2. B.
   12.5
3. C.
   125
4. D.
   $\frac{32}{5}$

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