Physics Questions And Answers :: Laser: part1



Basic Science : Laser QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

11.In a ruby laser, a large number of atoms occupy

ground state
excited state
metastable state
normal state

More Laser QUESTIONS AND ANSWERS available in next pages

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