Nuclear reactor is in 2020-2021 cbse syllabus or not

Dear Student,
The deleted portions from the chapter Nuclei are given below:

Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive
decay law, half life and mean life
binding energy per nucleon and its variation with mass number.


It does not mention nuclear reactors.But in the  revised syllabus nuclear fission and fusion are mentioned.So please do not ignore the concept of nuclear reactors.

Revised Syllabus

Nuclei Composition and size of nucleus Nuclear force,Mass-energy relation, mass defect, nuclear fission, nuclear fusion.

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