Alpha, beta and gamma are types of nuclear radiation - AQA - GCSE Physics - Question 7 - 2018 - Paper 1
Question 7
Alpha, beta and gamma are types of nuclear radiation.
Draw one line from each type of radiation to what the radiation consists of.
| Type of radiation | What radia... show full transcript
Worked Solution & Example Answer:Alpha, beta and gamma are types of nuclear radiation - AQA - GCSE Physics - Question 7 - 2018 - Paper 1
Step 1
Draw one line from each type of radiation to what the radiation consists of.
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Answer
Type of radiation
What radiation consists of
Alpha
Two protons and two neutrons
Beta
Electron from the nucleus
Gamma
Electromagnetic radiation
Step 2
Complete Figure 10 by writing the name of the correct radiation in each box.
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Answer
Alpha, Beta, Gamma
Step 3
Give two safety precautions the teacher should have taken in the demonstration.
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Answer
(Radioactive) source not pointed at students.
(Radioactive) source held away from the body.
Step 4
Use Table 1 to calculate the count rate after 200 seconds.
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The count rate at 200 seconds is 100 counts/second.
Step 5
Give one reason why this radioactive source would be much less hazardous after 800 seconds.
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Answer
The radioactive source has decayed significantly, reducing its activity and hazardous effects.
