The cathode rays originate from cathode and proceed towards the anode in a cathode-ray discharge tube.
The television picture tubes are nothing but cathode-ray tubes.
The cathode rays themselves are not visible.
The characteristics of cathode rays depend upon the nature of the gas present in the cathode-ray tube.
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy