Day 46: JEE Mains Physics

1. A.
   $25\sin(\omega t - kx){NC}^{- 1}$
2. B.
   $200\sin(\omega t - kx){NC}^{- 1}$
3. C.
   $400\sin(\omega t - kx){NC}^{- 1}$
4. D.
   $50\sin(\omega t - kx){NC}^{- 1}$

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1. A.
   $\frac{mv_{0}^{3}}{2\sqrt{2}g}$ along negative $z$-axis
2. B.
   $\frac{mv_{0}^{3}}{2\sqrt{2}g}$ along positive $z$-axis
3. C.
   $\frac{mv_{0}^{3}}{4\sqrt{2}g}$ along positive $z$-axis
4. D.
   $\frac{mv_{0}^{3}}{4\sqrt{2}g}$ along negative $z$-axis

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1. A.
   $\frac{(KE)}{8}$
2. B.
   $\frac{(KE)}{4}$
3. C.
   $\frac{(KE)}{16}$
4. D.
   $\frac{(KE)}{2}$

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1. A.
   $\frac{h\ \tan(i - r)}{\tan r}$
2. B.
   $\ \frac{h\ \cos(i - r)}{\sin r}$
3. C.
   h
4. D.
   $\frac{h\ \sin(i - r)}{\cos r}$

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