Day 132: MHT-CET Physics

1. A.
   $I = E_0\omega C\cdot\sin(\omega t)$
2. B.
   $I = E_0\omega C\sin\left(\omega t + \dfrac{\pi}{2}\right)$
3. C.
   $I = \dfrac{E_0}{\omega C}\sin(\omega t)$
4. D.
   $I = \dfrac{E_0}{\omega C}\sin\left(\omega t + \dfrac{\pi}{2}\right)$

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1. A.
   the photoelectric current increases.
2. B.
   the kinetic energy of emitted photoelectrons increases.
3. C.
   photoelectric current decreases.
4. D.
   kinetic energy of emitted photoelectrons decreases.

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1. A.
   $\dfrac{q_1 - q_2}{C}$
2. B.
   $\dfrac{q_1 + q_2}{C}$
3. C.
   $\dfrac{q_1 - q_2}{2C}$
4. D.
   $\dfrac{q_1 + q_2}{2C}$

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1. A.
   $\sin^{-1}\left(\sqrt{2}\sin 15^\circ\right)$
2. B.
   $\sin^{-1}\left(\dfrac{1}{\sqrt{2}}\sin 15^\circ\right)$
3. C.
   $\sin^{-1}\left(\sqrt{2}\sin 30^\circ\right)$
4. D.
   $\sin^{-1}\left(\dfrac{1}{\sqrt{2}}\sin 45^\circ\right)$

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1. A.
   $\dfrac{1}{\sqrt{2}}$
2. B.
   $\sqrt{2}$
3. C.
   $2$
4. D.
   $2\sqrt{2}$

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