A device for producing highly intense and coherent (wave in same phase) beam of light is called

laser

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maser

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search light

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none of these

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Solution

The correct option is A laser
LASER is light amplification by stimulated emission of radiation, hence laser is a device which emits amplified or intense beam of light.

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Similar questions

Which of the following produces highly coherent beam of light?

I

4 I

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