List of equations: 3 8 ws - of W Erhv n sin = n, sin 02...

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List of equations: 3 8 ws - of W Erhv n sin = n, sin 02 Tid E, n, cose, - n, cos E n cos & + n, cose E, 712 n, cose, - n, cos

Time Left:1:58:09 50 Complementary error function 3 y = erfc (u) 1.1 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1.8 2 1.6 1.2

Question 2 (1 point) A laser is pulsed. It emits at a power of 4W for a quarter of a period (T/4) and then is turned off duri

Question 3 (2 points) A micro lens focuses a laser beam of diameter D - 1mm to a tiny spot of radius wa The wavelength 2 of t

science Advanced-Physics

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Answer 1

Answer #1

Answer 1. The population inversion in a laser is achieved when N1>>N2.

Answer 2. The average power is 1W.

Answer 3. None of the above statements

Que 3: Dearer s mm = 1810-3m. f = 1.25mm = 1.25x103 m. - dodx/0-9 ൽ നന m. diameter of spot (d) = 2X1-22 X Af Deaser - 2x722 X

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Answer 2

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List of equations: 3 8 ws - of W Erhv n sin = n, sin 02...

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