ALLCBTs

Modern Physics Questions and Answers.

Published on Aug 29, 2025 • Education

Introduction

Good day students, and welcome to this class! In today’s session, we are focusing on Modern Physics questions, a key part of both NABTEB and WAEC examinations.

Let’s get started with the questions and answers.

Question 1

The energy of a photon is directly proportional to its:

A. Wavelength
B. Frequency
C. Amplitude
D. Velocity

Answer: B. Frequency

Question 2

Which of the following best explains the term quantization of energy?

A. Energy is continuous in all physical processes
B. Energy exists in discrete packets called quanta
C. Energy cannot be transferred
D. Energy is always conserved

Answer: B. Energy exists in discrete packets called quanta

Watch the full tutorial here: https://www.youtube.com/watch?v=CFF0w-lJQz4&t=1s

Conclusion

Modern Physics is a scoring area if you understand the principles well. Always remember:

• Photon energy depends on frequency.
• Photoelectric effect demonstrates the particle nature of light.
• Nuclear reactions conserve mass and atomic numbers.
• Radioactive decay is spontaneous and not influenced by external conditions.

Practicing these MCQs consistently will boost your confidence and exam performance.

Related Videos:

• Understanding Waves and Properties in Physics
• Physics Past Questions on Light Waves and Optics
• Understanding Sequences and Series in Mathematics
• NABTEB Mathematics Past Questions
• Biology Theory Questions and Answers

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