MCQ
A light has amplitude $A$ and angle between analyser and polariser is $60^\circ $. Light is reflected by analyser has amplitude
- A$\mathrm{A}^{\sqrt{2}}$
- B$\mathrm{Al}^{\sqrt{2}}$
- C${ }^{\sqrt{3}} \frac{~A}{2}$
- ✓$\frac{A}{2}$
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