Laser is a device to produce

examrobotsa's picture
Q: 15 (CDS-II/2009)
Laser is a device to produce

question_subject: 

Science

question_exam: 

CDS-II

stats: 

0,18,20,13,18,4,3

keywords: 

{'laser': [0, 0, 1, 1], 'coherent light': [0, 0, 1, 0], 'white light': [0, 0, 0, 2], 'beam': [0, 0, 0, 1], 'microwaves': [0, 0, 4, 9], 'device': [0, 0, 0, 1]}