LASERS AND OPTICAL FIBRES

LASERS AND OPTICAL FIBRES

University

12 Qs

quiz-placeholder

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LASERS AND OPTICAL FIBRES

LASERS AND OPTICAL FIBRES

Assessment

Quiz

Physics

University

Practice Problem

Hard

NGSS
HS-PS4-5

Standards-aligned

Created by

Ramya Hariharan

Used 151+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which is not a characteristic of LASER?

Monochromatic

Directionality

Multiple Wavelength

High Intensity

Tags

NGSS.HS-PS4-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Radiation interacts with matter in how many ways

2

3

0

1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Helium-Neon LASER is a:

Gas LASER

Liquid LASER

Solid LASER

Plasma Laser

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The population inversion in semiconductor LASER is acheived by:

Polishing opposite surfaces

Applying electric current

Adequate doping

Heating to high temperature

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Holograms can be prepared using:

Solar Radiation

LASER

Xenon Lamp

Sodium Vapour Lamp

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ratio of the refractive index difference of the

core and cladding to the refractive index of core of an optical fiber

Fractional Index Change

V-Number

Numerical Aperture

Acceptance Angle

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these types of optical fibers is almost impossible to manufacture?

Single mode, step index OFC

MUlti mode, Step index OFC

Single mode, graded index OFC

Multi mode, graded index OFC

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