1.

Statement I: If the accelerating potential in an X-ray tube is increased, the wavelengths of the characteristic X-rays do not change. Statement II: When an electron beam strikes the target in an X-ray tube part of the kinetic energy is converted into X-ray energy.

Answer»

statement-1 and 2 are true and statement-2 is a CORRECT EXPLANATION for statement-2
statement-1 and 2 are true and statement-2 is not a correct explanation for statement-2
statement-1 is true, statement-2 is false
statement-1 is false, statement-2 is true.

ANSWER :B


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