LASER 2

LASER 2

University

25 Qs

quiz-placeholder

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LASER 2

LASER 2

Assessment

Quiz

Physics

University

Hard

NGSS
HS-PS4-3

Standards-aligned

Created by

Sangeetha Periasamy

Used 19+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a beam of light enters one medium from another, which quantity will not change?

Direction

Speed

Frequency

Wavelength

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dispersion is used to describe the

Splitting of white light into its component colors

Propagation of light in straight lines

Bending of a beam of light when it goes from one medium to another

Bending of a beam light when it strikes a mirror

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

The wavelength of light has no role in

Diffraction

Interference

Polarization

Reflection

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Laser light is ______ emission.

Coherent

Stimulated

Spontaneous

Coherent and stimulated

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following factor does not harm laser efficiency?

Atmospheric absorption

Excitation energy not absorbed

Problems in depopulating the lower laser level

Inefficiency in populating the upper laser level

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Monochromatic means that ?
the light consist of two colors
the light consist of only one color
the light consist of three color
only two light wavelengths are distinguished

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Laser stands for ?
light amplification by the stimulated emission of radiation.
electromagnetic radiation to which the organs of sight react

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