Day 266: MHT-CET Physics

1. A.
   $20:7$
2. B.
   $27:5$
3. C.
   $50:9$
4. D.
   $108:7$

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1. A.
   be doubled.
2. B.
   be halved.
3. C.
   become more than double.
4. D.
   become less than double.

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1. A.
   $\lambda\propto E$
2. B.
   $\lambda\propto E^{-1}$
3. C.
   $\lambda\propto E^{1/2}$
4. D.
   $\lambda\propto E^{-1/2}$

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1. A.
   $\sqrt{\frac{T}{\rho}\!\left(\frac{1}{r}-\frac{1}{R}\right)}$
2. B.
   $\sqrt{\frac{2T}{\rho}\!\left(\frac{1}{r}-\frac{1}{R}\right)}$
3. C.
   $\sqrt{\frac{4T}{\rho}\!\left(\frac{1}{r}-\frac{1}{R}\right)}$
4. D.
   $\sqrt{\frac{6T}{\rho}\!\left(\frac{1}{r}-\frac{1}{R}\right)}$

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1. A.
   $25 : 9$
2. B.
   $125 : 27$
3. C.
   $625 : 81$
4. D.
   $5 : 3$

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