Laser

Laser

University

23 Qs

quiz-placeholder

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Laser

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Assessment

Quiz

Physics

University

Practice Problem

Hard

Created by

Salma Chitwel

Used 3+ times

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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

LASER Stands For

Light Amplification by Spontaneous Emission of Radiation

Light Attenuation by Stimulated emission of Radiation

Light Amplification by Stimulated Emission of Radiation

None of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is not a characteristic of LASER?

Monochromatic


Directionality

Multiple Wavelength

High Intensity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electron in ground state is

Stable

Unstable

fluctuating

vigorous

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The phenomenon of Stimulated Emission of Radiation was predicted by

Albert Einstein

Max Planck

Newton

Max Born

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In stimulated Emission, what is the lifetime of atoms ground state?

Infinity

1 second

1 minitue

1 hour

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of atoms per unit volume that occupy a given energy state is called

population

meta stable state

active state

none of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The atoms _______ energy to raise from a lower energy level to upper energy level

Absorption

Emission

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