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Activity
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In this lesson I have explained about activity and Radioactive Equilibrium.

Amrit Lal
Top Physics Educator 80% questions in NEET19 were directly from my lessons. Mentor/Motivator. Author. Youtube- iStart-Education

Comments
(2)
U
Unacademy user
sir meri speed kam hai only 15 -18 question bante hai.
Siddhant Jain
a year ago
Sir speed toh bdani pdegi.. Clerk ki cutoff jyada jati h Prelims ki
awsome sir 👌🙏💯✔🔥👍🏼