Waec Model Questions Vol1 2017 Physics Question 40

Practice objective / multiple choice question 40 from the 2017 Waec Model Questions Vol1 Physics examination.

Waec Model Questions Vol1 2017 Physics Objective / Multiple Choice Hard Difficulty
Question 40 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • PHYSICS • objective

A radioactive substance has a half-life of 5 years. If the initial mass of the substance is 80 g, calculate the mass remaining after 15 years.

Answer Options

A. 5 g
B. 15 g
Correct Answer C. 10 g
D. 20 g
Correct Answer
C
Correct Option:
10 g

About This Question

This is Waec Model Questions Vol1 2017 Physics Question 40. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Physics examination.

Difficulty level: Hard .

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support