217 prompts matching "Why light changes direction when it passes between media"
Let me explain: The penetrating and ionising power of each radiation
I have just studied the penetrating and ionising power of each radiation in my SS2 Physics
Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Teach me: What half-life means
You are my personal SS2 Physics tutor. Teach me what half-life means, using a real Nigeria
Let me explain: The random nature of radioactive decay
I have just studied the random nature of radioactive decay in my SS2 Physics class. Let me
Worked example: Calculating the mass remaining after a number of half-lives
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Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
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Worked example: The rotation and the revolution of the earth
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Let me explain: Kepler's laws of planetary motion
I have just studied Kepler's laws of planetary motion in my SS2 Physics class. Let me expl
Real-life Nigeria: Eclipses of the sun and of the moon explained
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Let me explain: The life cycle of a star
I have just studied the life cycle of a star in my SS2 Physics class. Let me explain it ba
Physics at work: Astronomy as a field of study and of work
Act as my SS2 Physics tutor. Explain which Nigerian jobs and industries depend on astronom
Teach me: What a galaxy is, and what the Milky Way is
You are my personal SS2 Physics tutor. Teach me what a galaxy is, and what the Milky Way i
Let me explain: The expanding universe and red shift
I have just studied the expanding universe and red shift in my SS2 Physics class. Let me e
Real-life Nigeria: Telescopes, and how we observe the universe
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Teach me: The force on a conductor and the electric motor reviewed
You are my personal SS2 Physics tutor. Teach me the force on a conductor and the electric
Worked example: The earth and the solar system reviewed
Act as my SS2 Physics tutor. Show me a full worked example on the earth and the solar syst
Real-life Nigeria: The SS2 Physics topics I still need to practise
Act as my SS2 Physics tutor. Show me where the SS2 Physics topics I still need to practise