If the bombardment of electrons ceases i.e. when the signal becomes z – McqOptions

MCQOPTIONS

1.	If the bombardment of electrons ceases i.e. when the signal becomes zero then the light emitted by the screen will
A.	Disappear immediately
B.	Persist for some time then it will disappear
C.	Will not disappear at all
D.	None of these
Answer» C. Will not disappear at all

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