Day 151: JEE Mains Physics

1. A.
   $\frac{\left( v_{1} + v_{2} + v_{3} \right)}{3v_{1}v_{2}v_{3}}$
2. B.
   $\frac{\left( v_{1} + v_{2} + v_{3} \right)}{3}$
3. C.
   $\frac{3v_{1}v_{2}v_{3}}{\left( v_{1}v_{2} + v_{2}v_{3} + v_{3}v_{1} \right)}$
4. D.
   $\frac{v_{1}v_{2}v_{3}}{3\left( v_{1}v_{2} + v_{2}v_{3} + v_{3}v_{1} \right)}$

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1. A.
   $\frac{14}{3}^{\circ}C$
2. B.
   $\frac{28}{3}\ ^{\circ}C$
3. C.
   $\frac{56}{3}^{\circ}C$
4. D.
   $\frac{42}{3}\ ^{\circ}C$

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1. A.
   $\lambda_{p} \propto \lambda_{e}^{2}$
2. B.
   $\lambda_{p} \propto \lambda_{e}$
3. C.
   $\lambda_{p} \propto \sqrt{\lambda_{e}}$
4. D.
   $\lambda_{p} \propto \sqrt{\frac{1}{\lambda_{e}}}$

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