GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Laser was invented by
A
Dr. Charles H. Townes
B
S. Chandrasekhar
C
Edwin Hubble
D
Edwin Hubble
Explanation: 

Detailed explanation-1: -Charles H. Townes, a renowned physicist who invented the laser and the maser, died in Oakland, California on Tuesday at the age of 99. Townes’ inventions earned him the Nobel Prize in physics in 1964. Laser stands for Light Amplification by Stimulated Emission of Radiation.

Detailed explanation-2: -1955: Charles Townes with his invention, the maser. In 1951, Townes conceived a new way to create intense, precise beams of coherent radiation for which he coined the acronym MASER for Microwave Amplification by Stimulated Emission of Radiation.

Detailed explanation-3: -In 1964, Townes was awarded the Nobel Prize in Physics with Nikolay Basov and Aleksandr Prokhorov for contributions to fundamental work in quantum electronics leading to the development of the maser and laser.

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