Day 516: JEE Mains Physics

1. A.
   $C_{V} + R$
2. B.
   $\frac{R}{3} + C_{V}$
3. C.
   $R$
4. D.
   $C_{V} + \frac{R}{2\text{ }V}$

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1. A.
   $2.5\text{ }g/{cm}^{3}$
2. B.
   $1.7\text{ }g/{cm}^{3}$
3. C.
   $2.2\text{ }g/{cm}^{3}$
4. D.
   $2.0\text{ }g/{cm}^{3}$

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1. A.
   its size decreases, but intensity increases
2. B.
   its size increases, but intensity decreases
3. C.
   its size increases, and intensity increases
4. D.
   its size decreases, and intensity decreases

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1. A.
   $y = Ae^{- x^{2}}(vt + \theta)$
2. B.
   $\ y = Asin(15x - 2t)$
3. C.
   $\ y = Ae^{x}\cos(\omega t - \theta)$
4. D.
   $\ y = Asinxcos\omega t$

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