In an operating X-ray tube, a high p.d is applied between...
In an operating X-ray tube, a high p.d is applied between the cathode and the anode for the purpose of
accelerating the electrons to a very high energy
concentrating electrons on the target
heating the anode
heating the cathode
producing a stream of electrons
Correct answer is A
No explanation has been provided for this answer.
Steel bars each of length 3m at 28°C are to be used for constructing a rail line. If the linear ...
which of the following pairs of physical quantities comprises vectors? ...
Which of the following gives rise to the line spectra obtained from atoms? ...
A voltage supply of 12V r.m.s. and frequency 90Hz is connected to a 4 ω resistor. Calculate th...