Question

Select the wrong statement(s).

• A. Nuclear isomers contain the same number of protons and neutrons
• B. The decay constant is independent of the amount of the substance taken
• C. $1$ curie $=3.7\times {10}^{10}dis$
• D. Actinium series starts with ${}^{238}U$

Answer 1

Answer: (B), (D)

The correct options are
B The decay constant is independent of the amount of the substance taken
D Actinium series starts with ${}^{238}U$