The Fine-Beam Cathode-Ray Tube and the Observant and Enquiring Student, Part 7.

Webb, John le P.

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Peer reviewed

ERIC Number: EJ307501

Record Type: Journal

Publication Date: 1984

Pages: N/A

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The Fine-Beam Cathode-Ray Tube and the Observant and Enquiring Student, Part 7.

Webb, John le P.

Physics Teacher, v22 n8 p509-13 Nov 1984

Examines (in the form of a hypothetical dialog between a teacher and a student) the nature of the mantle and the spectral content of the glow which lights up both beam and mantle. These phenomena are associated with excitation of helium gas in the presence of electromagnetic and electrostatic fields. (JN)

Descriptors: College Science, Electricity, Higher Education, Inquiry, Physics, Science Education, Science Equipment, Science Experiments, Science Instruction

Publication Type: Journal Articles; Reports - Descriptive

Education Level: N/A

Audience: Teachers; Practitioners

Language: English

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Authoring Institution: N/A

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Author Affiliations: N/A