Name a device which is commonly used to convert an electrical signal into a visual signal.

Question

(i) Name a device which is commonly used to convert an electrical signal into a visual signal.

(ii)The nucleus 20284 X emits an alpha particle and forms the nucleus Represent this change in the form of an equation.

(iii) What changes will take place in the mass number and atomic number of the nucleus Y if it emits gamma radiations ?

Answer 1

(i) C.R.O.

(iii) No change in mass number and atomic number when y radiations are emitted out.