LASER

LASER

University

10 Qs

quiz-placeholder

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LASER

LASER

Assessment

Quiz

Physics, English

University

Hard

Created by

Anton Starovoytov

Used 70+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The acronym LASER stands for...

light amplification by standart emission of ray

light amplification by semiconductor emission radiant

light amplification by stimulated emission of radiation

low amplification by stimulated emission radiation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Laser is a coherent source of light. This means all the light waves....

are out of phase

are in phase

have different directions

have same direction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Laser is a monochromatic source of light. This means all the light waves have...

same wavelength

same phase

same intensity

same direction

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In spontaneous emission the incident and emitted waves are...

similar

different

amplified

coherent

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Albert Einstein discovered the most important process of the laser. What is it?

Einstein Process

photon emission

medium process

stimulated emission

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pump system needs to raise the atoms from...

exited state to ground state

ground state to exited state

ground state to unexcited state

excited state to exited state

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Red-light laser contain a long crystal made of ...

agate

tourmaline

coral

ruby

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