Day 411: MHT-CET Physics

1. A.
   $\sqrt{n} \cdot a$
2. B.
   n.a
3. C.
   $n^{2} \cdot a$
4. D.
   $n^{3} \cdot a$

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1. A.
   $i > e$
2. B.
   $i < e$
3. C.
   $i = e$
4. D.
   $i + e = 90°$

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1. A.
   $2\pi\sqrt{\frac{MA}{gd}}$
2. B.
   $2\pi\sqrt{\frac{M}{2Adg}}$
3. C.
   $2\pi\sqrt{\frac{M}{g}}$
4. D.
   $2\pi\sqrt{\frac{M}{gdA}}$

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1. A.
   $\tan^{- 1}(0.5)$
2. B.
   $\tan^{- 1}(0.6)$
3. C.
   $\tan^{- 1}(0.7)$
4. D.
   $\tan^{- 1}(0.8)$

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1. A.
   as a rectifier.
2. B.
   for converting light energy to electrical energy.
3. C.
   for getting light radiation.
4. D.
   for increasing the amplitude of an a.c. signal.

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