Question
Physics Question on Electromagnetic Spectrum
The basic idea of MASER was first given by
A
Max Planck
B
Einstein
C
Townes
D
Fresnel
Answer
Townes
Explanation
Solution
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.