Lasers

Lasers

University

20 Qs

quiz-placeholder

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Lasers

Lasers

Assessment

Quiz

Physics

University

Practice Problem

Hard

NGSS
HS-PS4-3, HS-PS4-5, HS-PS1-1

+3

Standards-aligned

Created by

Nithya Menon

Used 110+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Full form of LASER

Light Amplification by Spontaneous Emission of Radiation

Light Amplification by Stimulated Emission of Radiation

Light Attenuation by Stimulated emission of Radiation

None of the above

Tags

NGSS.HS-PS4-5

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Which is not a characteristic of LASER?

Monochromatic

Directionality

Multiple Wavelength

High Intensity

Tags

NGSS.HS-PS4-5

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The attenuation of light in an optical medium can be described with the help of

Absorption coefficient

Coefficient of Stimulated emission

Coefficient of Spontaneous emission

None of the above

Tags

NGSS.HS-PS4-5

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The light intensity decreases __________ with distance in the medium

Exponentially

parabolically

steeply

none of the above

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

As distance between nucleus and electron decreases kinetic energy ______

decreases

increases

does not vary

none of the above

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An electron in ground state is

unstable

stable

fluctuating

vigorous

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The passing of an electron from one energy level to another within the atom is called

quantum transition

quantum mechanics

atom transfer

resonant transfer

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