• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/4

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

4 Cards in this Set

  • Front
  • Back

what is a phototube

A phototube, also known as a photoelectric tube, is a light-sensitive electronic device. It is designed to emit an electric current when exposed to light or another form of electromagnetic radiation. Operates on the photoelectric effect

structure of a phototube

What happens as the magnitude of the anode increases

attraction for the photoelectron increases as well.

Sources of radiation

1. continuous (broad band)


2. discreet