Question:

The basic idea of MASER was first given by

Updated On: Jun 26, 2023
  • Max Planck
  • Einstein
  • Townes
  • Fresnel
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The Correct Option is C

Approach Solution - 1

The basic idea of MASER was given by Charles H Townes.
A MASER is a device that produces coherent electromagnetic waves through amplification.
The MASER is based on the principle of stimulated emission proposed by Albert Einstein.
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Approach Solution -2

Townes pioneered the concept of Microwave Amplification by Stimulated Emission of Radiation MASER.
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Concepts Used:

Electromagnetic Spectrum

The term used by scientists to describe the entire range of light that exists is the electrostatic spectrum. Light is a wave of alternating electric and magnetic fields. The propagation of light doesn't vary from waves crossing an ocean. Like any other wave, light also has a few fundamental properties that describe it. One is its frequency. The frequency is measured in Hz, which counts the number of waves that pass by a point in one second. 

The electromagnetic waves that your eyes detect are visible light and oscillate between 400 and 790 terahertz (THz). That’s several hundred trillion times a second.