Specification EDEXCEL Physics Triple
Physics
grade 9-1
Sample Data
| ID (hidden) | 4d6871bc80074077b625f6c3e7434a09-ao-4 |
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| Question | how do smoke alarms use alpha radiation |
| Answer | - The alpha radiation goes across a small gap,making a complete circuit (as charge moves)- When smoke blocks the small gap, the alpha particles ionise the large smoke particles and the circuit is broken - causing an alarm. |
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| Question | What is momentum |
| Answer | A force can cause an object to rotate and the turning effect |
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