ke5laliaSwh
ke5laliaSwh ke5laliaSwh
  • 04-08-2016
  • Physics
contestada

Why is a cathode ray tube connected to a vacuum pump?

Respuesta :

taskmasters
taskmasters taskmasters
  • 07-08-2016
A cathode ray tube functions at a low pressure air pressure. To do this, air has to be pumped out of the tube. Therefore, a vacuum pump has to be used. Cathode rays can't penetrate through any amount of air. Hope this answers the question.
Answer Link

Otras preguntas

f(x)= -2(x-5)^2+8 results in a: results in a: results in a: translation: units: results in a: translation: units: The parabola opens: The axis of symmetry i
Which sentence uses a verb that agrees with its subject? A. The dresses on the rack in the back of the department was on sale. B. Their behavior during the perf
During interphase of the cell cycle. a growning cell undergoes DNA replication. What is the primary function of DNA replication?
Why is the answer to this secant?
House to find the volume of a cylinder
multiple choice!! What does dual sovereignty mean? A. The president has the same powers that a king would have. B. Each state has its own powers that other stat
how is the equation on the top equivalent to 3. Show 5 steps on how you did it.
Can diagonal of a parallelogram be congruent to one of its sides? Explain your answer.
Leif is an accountant for a popular dog food company he has been asked to prepare a slideshow presentation to review financial statements from the last fiscal y
Subtract 2 from the class level variable intClass by using the constant intTwo Please answer ASAP Visual Basic