The picture tube of a black and white T. V. the set has only one electron gun that produces the picture on its screen. The number of electron guns, a colour picture tube has, is:
Answer: 3
Explanation
In a colour-television tube, three electron guns (red, green, and blue) fire electrons toward the phosphor-coated screen.
This question appeared in
Past Papers (1 times)
MES Past Papers (1 times)
This question appeared in
Subjects (3 times)
GENERAL KNOWLEDGE (3 times)
Related MCQs
- The picture tube of a black and white TV set has only one electron ‘gun’ that produces the picture on its screen. The number of electron ‘gun’ a colour picture tube has is:
- Aids where a bright light is passed through a transparent picture, and by means of lens, an enlarged picture is thrown on the screen is?
- To copy a picture of the screen to the clipboard use
- What are the individual dots which make up a picture on the monitor screen called?
- The word is big flashed on a screen. A mental picture of word big represents a_______code; the definition “large in size” represents a_____code; the “sounds like pig” represents a code.
- Which picture is different from the above 5?
- I cannot draw this picture.
- Picture is to Frame as:
- Asad bought 12 tube lights for the home which cost Rs. 6900 altogether. What will be the price of 7 such tube lights?
- The hydrogen-like atom has one electron revolving around a stationary nucleus. The energy required to execute electron from the second orbit to the third orbit is 42.7eV. The atomic number of the atom is _______?
