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SS3: PHYSICS - 2ND TERM
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Magnetic Field10 Topics|1 Quiz
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Magnetic Field
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Magnetic & Non-Magnetic Substances
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Soft & Hard Magnetic Substances
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Temporary & Permanent Magnet
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Methods of Making Magnets
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Demagnetization
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Magnetic Properties of Iron & Steel
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Neutral Point | Magnetic Flux Density | Magnetic Potential
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Characteristics of Lines of Force
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Magnetic Screening
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Magnetic Field
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Magnetic Field5 Topics|1 Quiz
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Electromagnetic Field4 Topics|1 Quiz
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Electromagnetic Induction7 Topics|1 Quiz
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The Transformer5 Topics|1 Quiz
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Simple A.C Circuit11 Topics|1 Quiz
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Models of the Atom2 Topics|1 Quiz
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Radioactivity3 Topics|1 Quiz
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Half Life8 Topics|1 Quiz
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Energy Quantization5 Topics|1 Quiz
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Photoelectric Effect6 Topics|1 Quiz
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Wave Particle Paradox6 Topics|1 Quiz
Lesson 9,
Topic 2
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Uses of Radioactivity
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Topic Content:
- Uses of Radioactivity
1. It is used as a radioactive tracer to detect leakages in underground pipes in industry.
2. It is used as a tracer in agriculture to monitor water passage through plants.
3. It is used in medicine to locate brain tumours or blocked kidneys.
4. It is used for sterilization of medical equipment.
5. It is used for the preservation of food.
6. It is used for treating cancer and malignant growth like tumours in the body (radiotherapy).
7. It can be used to detect broken bones or metal objects hidden in the body.
8. It can also be used to detect flaws or cracks at the welding joint or engine block.
9. It can be used for carbon dating to study the ages of archaeological discoveries.
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