Be decays with a half-life of about 53d. It is produced in the upper atmosphere, and filters

Question:

Be decays with a half-life of about 53d. It is produced in the upper atmosphere, and filters down onto the Earth’s surface. If a plant leaf is detected to have 450 decays/s of 7/4Be, (a) How long do we have to wait for the decay rate to drop to 15 per second? (b) Estimate the initial mass of 7/4Be on the leaf.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

Question Posted: