X-rays — KCSE Physics
KCSE Physics · 109 practice questions · 4 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
Explain the production of X-rays and energy changes in an X-ray tube
State properties of X-rays and distinguish between soft and hard X-rays
State the dangers of X-rays and precautions, and explain uses of X-rays
Solve numerical problems involving electron velocity, kinetic energy, and X-ray photon frequency/wavelength
Sample Questions
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An electron is accelerated through a potential difference of 50 kV in an x-ray tube. Calculate the kinetic energy of the electron in joules. (2 marks)
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Name two safety precautions that should be taken when using X-ray machines. (2 marks)
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Identify two potential health risks associated with exposure to X-rays in medical settings. (2 marks)
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Why Practise X-rays?
KNEC Aligned
Questions match the KCSE syllabus objectives and exam format exactly.
Detailed Marking Schemes
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