Introduction
Good day viewers! Welcome to today’s physics tutorial. In this lesson, we will be reviewing selected physics past questions with step-by-step solutions. This session will help you understand core concepts like measuring instruments and force ratios, which are frequently tested in exams such as WAEC, NECO, and JAMB.
Let’s get started with the questions and answers.
Question 1: Measuring the Inner Diameter of a Test Tube
Question:
The inner diameter of a test tube can be measured accurately using which instrument?
Options:
A. Meter rule
B. Micrometer screw gauge
C. Measuring tape
D. Vernier caliper
Answer: D. Vernier caliper
Explanation:
The vernier caliper is specially designed with jaws that can measure both internal and external diameters of objects with high precision. Instruments like meter rules or tapes cannot provide this level of accuracy.
(Continue this structured style for the rest of the questions in the subtitle file.)
Watch more educational videos and past questions: https://youtube.com/@allcbts
Conclusion
Practicing physics past questions helps students understand both conceptual and calculation-based problems. Mastery of instruments like the vernier caliper and understanding force-mass-acceleration relationships are essential for excelling in senior secondary physics exams.
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Keywords
- Physics past questions and answers
- Vernier caliper use in physics
- Force ratio problems solved step-by-step
- WAEC and NECO physics past questions
- Physics measuring instruments explained
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