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Allof theabove Explanation: In a Laser all the atoms emit the light waves of same frequency, amplitude and phase. A laser is a device that emits light (electromagneticradiation)throughaprocessof optical amplification based on the stimulated emissionofphotons.Theterm"laser"originated as an acronym for Light Amplification by Stimulated Emission of Radiation.
The weakest of all fundamental forces is –
What does a catalyst do in a reaction?
In SONAR, we use
What is the maximum value of deforming force up to which a material shows elastic property and above which the material loses it?
Which of the following fibers will melt when heated?
Which dating method is commonly used to determine the age of materials from prehistoric times?
The SI unit of acceleration is_________.
Which type of bond is formed by the sharing of electrons?
Adding which substance gives a blue color to glass?
Which acid is found in vinegar?
