
Laserele
Authored by Mihaela Șaran
Science
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Laserul este...
particulă elementară responsabilă pentru toate fenomelene elecromagnetice.
dispozitiv optic care generează un fascicul coerent de lumină.
câmp fizic produs în jurul corpurilor care sunt încârcate electric și afectează alte particule încărcare electric.
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Proprietățile care diferențiază laserele de lumina incoerentă produsă sunt:
monocromaticitate
luminozitate
directivitate
intensitate
obiectivitate
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Primul laser funcțional a fost construit de
A Einstein
Ali Javan
Ch. Townes
Th. Maiman
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Laserul are o deosebită importanță în stomatologie datorită :
Efectului analgezic
Efectului antiinflamator
Efectulului termic
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
În terapia și tratarea cancerului se folosesc :
Laserul cu argon
Laserul cu crom
Laserul cu dioxid de carbon
Laserul cu potasiu
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Acesta este...
7.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Arma laser se folosește în scopuri
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