Amisha Asked a Question
June 3, 2021 5:24 pmpts 30 pts
Q72. The cavity of a He-Ne laser emitting at 632.8 nm, consists of two mirrors separated by a distance of 35 cm. If the oscillations in the laser cavity occur at frequencies within the gain bandwidth of 1.3GHz, the number of longitudinal modes allowed in the cavity is (a) 1 (b) 2 (c)3 (d) 4 4
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  • Lakshay bhardwaj thankyou
    correct answer is option 'c'
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