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The laser beam is emitted in the form of __________

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The laser beam is emitted in the form of __________

(a) Fluctuating radiations

(b) Continuous spectrum

(c) Pulsed output

(d) Exponentially decreasing intensity

The question was posed to me in a job interview.

Question is taken from Ruby Laser topic in division Laser of Engineering Physics II

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Correct option is (c) Pulsed output

The explanation: The laser output observed in a Ruby laser is pulsed. This is so, as the flash lamp operation is pulsed. There are spikes in the ruby laser output, lasting a few milliseconds.

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