Question Detail

PHY 102 Test Compilation PHY 102 28 Objective Question
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Question

A radioactive substance has a half-life of 2 weeks. At the beginning of an investigation, a sample of the substance emits 3000 beta-particles per minute. How many beta-particles will it emit per minute after 6 weeks?
Options
A 0
B 375
Correct Answer
C 500
D 1500
Correct Answer

Option B is the correct answer.

Detailed Explanation

6 weeks=3 half-lives. N=3000(1/8)=375.

Hint

6 weeks=3 half-lives.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 28
Type: Objective
Difficulty: Not specified
Question 1623 of 1819
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