Asked: Uttarakhand Lower Sub. (Pre) 2010medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
निम्न में से किसने लेजर का आविष्कार किया?
Who among the following invented the laser?
SELECT CORRECT OPTION:
A
थियोडोर मैमैन
Theodore Maiman
Correct
B
डेनिस पेपिन
Denis Papin
C
विलियम मॉर्टन
William Morton
D
फ्रांसिस क्रिक
Francis Crick
Official Solution & Explanation:
Correct Answer: Option A(थियोडोर मैमैन)
लेजर (LASER : Light Amplification by Stimulated Emission of Radiation) का पहला क्रियाशील मॉडल 16 मई, 1960 को अमेरिकी वैज्ञानिक थियोडोर मैमैन (Theodore Maiman) ने रूबी क्रिस्टल द्वारा तैयार किया था।
Theodore H. Maiman built the first working laser in May 1960 using a synthetic ruby rod pumped by a flashlamp.
Subject: General Science•Topic: Major Scientists and Inventions•Subtopic: Major Scientists and Inventions
Practice this topic in CBT

Related Questions in Major Scientists and Inventions

View All

Attempt CG State Mock Tests in Real Exam Simulation

Access thousands of previous year questions and simulated mock papers with official negative marking and real-time state percentiles.

Practice Full Test Series Free