A) A laser beam of wavelength 600 nm with a circular cross-section having a radius of 10 mm falls normally on a lens of radius 20 mm and focal length of 10 cm. Calculate the radius of the focused laser spot.

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A: Let us consider a figure drawn below:-

Q: 2. Three point charges q, = +2.7µC, q2 = -3.4µC and q3 = -1.6µC initially are infinitely far apart.…

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Q: Question 1 Derive an expression for Vout in terms of Vin, R1 and R2. R₁ о Vin + R2 Vout

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Q: 160.2 μC A. 25600 m 160.2 nC B. 9 x 109 N m2/c2 v k C. 2.56 m v 256 cm D. 1.602 x 10-7 c

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