The first laser emitted a. Pulses of 694 nm red light b. A continuous red beam c. Pulses of white light from a helical flashlamp d. Spontaneous emission

The first laser emitted
a. Pulses of 694 nm red light
b. A continuous red beam
c. Pulses of white light from a helical flashlamp
d. Spontaneous emission
by

1 Answer

Answer :

a. Pulses of 694 nm red light
by

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