Which of the following statements is correct about cathod...
Which of the following statements is correct about cathode rays? They are fast moving
atoms
ions
neutrons
protons
electrons
Correct answer is E
No explanation has been provided for this answer.
A metal rod has a length of 100cm at 200°C. At what temperature will its length be 99.4cm. If th...
Which of the following radiations has it's frequency lower than that of infrared radiation? ...
What will happen to the pressure of a gas if its temperature is reduced to -273oC?...
If a room is saturated with water vapour, the temperature of the room must be ...