Cathode and canal rays — task. Science CBSE, Class 9 New.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Give the best answer:

Assertion (A): Cathode rays are streams of negatively charged particles.

Reason (R): They are attracted toward the negative plate in an electric field.

A is true but R is false
Both A and R are true but R is not the correct explanation of A
Both A and R are true and R is correct explanation of A
A is false but R is true

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