Do all radioactive materials decay at the same rate? Yes. All half-lives are the

Question

Do all radioactive materials decay at the same rate?

Yes. All half-lives are the same for all radioactive substances.

Half of all radioactive substances have the same half-lives. The other half are all the same.

No, almost all radioactive substances have unique half-lives.

One-third of all radioactive substances have the same half-life.

Yes. All half-lives are the same for all radioactive substances.

Half of all radioactive substances have the same half-lives. The other half are all the same.

No, almost all radioactive substances have unique half-lives.

One-third of all radioactive substances have the same half-life.

Explanation / Answer

Here , for radioactive materials , the rate of decay depends on the stability of their nucleus and this is mostly unique.

Hence , the correct choice is

c.

No, almost all radioactive substances have unique half-lives.

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