Answer :
Answer: Error in sentence one. The beam was called a cathode Ray.
Explanation:
I don't have an explanation I just know
Error is in sentence 1. The beam was a cathode ray. Hence, option D is correct.
What is a gamma ray?
Gamma rays at a cellular level cause damage and diffusion damage throughout the body.
J.J. Thomson performed experiments with cathode ray tubes which showed that all atoms contain tiny negatively charged subatomic particles. Thomson set forward the plum pudding model of the atom, which had negatively-charged electrons embedded around a positively-charged "soup."
Hence, option D is correct.
Learn more about gamma rays here:
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