Structured Questions – Cathode Ray Oscilloscope
Diagram (4.1) shows a bright spot, P, formed on the screen of a cathode-ray oscilloscope, C.R.O. when it is switched on. What is the meaning of cathode ray? [1 mark] Explain how the bright spot is formed on the screen of the C.R.O. [2marks] Diagram (4.2) shows the bright spot is displaced to (Q) when … Read more