PHYSICS

JAMB 2017 - Question 24

Physics 2017 JAMB Past Questions - Question 24: Which of the following correctly describe(s) cathode rays? I. They consist of tiny particles carrying negative electric charges II. They are deflected in a magnetic field but not in an electric field. III. They consist of fast moving neutrons and deflected in an electric field

Choose the correct answers from the options given.
Which of the following correctly describe(s) cathode rays? I. They consist of tiny particles carrying negative electric charges II. They are deflected in a magnetic field but not in an electric field. III. They consist of fast moving neutrons and deflected in an electric field
A:
B:
C:
D:
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Correct Answer

A

Explanation

Among the options you provided, only option I correctly describes cathode rays. Cathode rays consist of tiny particles carrying negative electric charges. Option II is incorrect because cathode rays are deflected in both magnetic and electric fields. Option III is also incorrect because cathode rays consist of fast-moving electrons, not neutrons.