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:

• Three
• five
• four
• six

Related MCQs

• 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:
• 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 _______?