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  Thursday 16 October 2025 / 01:43 PM

Differentiate Between Cathode Ray and Alpha Ray

Understanding cathode ray vs alpha ray is essential in physics. Both are types of particle radiation but have different properties and behavior. This topic is important for Class 10, NEB, SEE, and CTEVT Physics exams.

cathode ray vs alpha ray

Cathode Ray

Cathode rays are streams of electrons emitted from the cathode in a vacuum tube. They are negatively charged, have negligible mass compared to alpha particles, and are deflected by electric and magnetic fields.

Alpha Ray

Alpha rays consist of helium nuclei (2 protons and 2 neutrons). They are positively charged, heavy, and have high momentum. Alpha particles are slightly deflected by electric and magnetic fields due to their large mass.

Note:

Cathode rays are used in CRTs and oscilloscopes, while alpha rays are commonly used in nuclear physics experiments and radioactive studies.

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Differentiate Between Cathode Ray and Alpha Ray

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Differentiate Between Cathode Ray and Alpha Ray

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