UCE PHYSICS 2010 PAPER 2 QTN 6

(a) What is meant by thermionic emission?

(b) (i) Name the three main components of a cathode ray oscilloscope (CRO)

(ii) Describe the functions of each component you have named in (b) (i)

(iii)Give two uses of a C.R.O

(c ) State the conditions under which electrons can be used to generate X-rays.

(d) Give one use of x-rays

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