Waec Model Questions Vol1 2023 Physics Question 46

Practice objective / multiple choice question 46 from the 2023 Waec Model Questions Vol1 Physics examination.

Waec Model Questions Vol1 2023 Physics Objective / Multiple Choice Hard Difficulty
Question 46 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • PHYSICS • objective

A certain radioactive substance has a half-life of 5 years. If you start with 80 grams of this substance, how much will remain after 15 years? Show your calculations.

Answer Options

Correct Answer A. 10 grams
B. 20 grams
C. 40 grams
D. 5 grams
Correct Answer
A
Correct Option:
10 grams

About This Question

This is Waec Model Questions Vol1 2023 Physics Question 46. It is one of the objective questions from the 2023 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