Fluorescence

Fluorescence

11th - 12th Grade

8 Qs

quiz-placeholder

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Fluorescence

Fluorescence

Assessment

Quiz

Physics

11th - 12th Grade

Easy

Created by

Alexander Bellew

Used 1+ times

FREE Resource

8 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Fluorescent tubes are partially evacuated glass tubes filled with low-pressure  ___________________vapour

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Fluorescent tubes are partially evacuated glass tubes with a ___________________coating on the glass

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

When an electric current is passed through the vapour, the electrons in ___________________are excited and move to a higher energy Level

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

  • This high energy level state is ___________________and so the electron moves

 back to its original state

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

  • As it de-excites, the electron releases some of that energy in the form of

 

  • an _____________ photon

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

  • The UV light emitted from the mercury atoms then excites the electrons in the

 

  • ___________________coating

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The electrons in the excited phosphor atoms de-excite in _______ steps

8.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The phosphor atoms emit ____________ light photons when they de-excite