A radioactive source emits three types of ionising radiation alpha beta gamma (a) Complete the sentence by putting a cross (✗) in the box next to your answer. Radioactive sources emit radiation ☐ A all the time ☐ B at regular intervals ☐ C every few minutes ☐ D only when they are heated. (b). Use words from the box to complete the table. atom energy molecule particle source wave radiation type transfer alpha beta gamma

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A radioactive source emits three types of ionising radiation alpha beta gamma (a) Complete the sentence by putting a cross (✗) in the box next to your answer - Edexcel - GCSE Physics - Question 2 - 2012 - Paper 1

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A radioactive source emits three types of ionising radiation alpha beta gamma (a) Complete the sentence by putting a cross (✗) in the box next to your answer. Rad... show full transcript

Worked Solution & Example Answer:A radioactive source emits three types of ionising radiation alpha beta gamma (a) Complete the sentence by putting a cross (✗) in the box next to your answer - Edexcel - GCSE Physics - Question 2 - 2012 - Paper 1

Step 1

Complete the sentence

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Answer

Radioactive sources emit radiation A all the time. Radioactive decay is a random process, but once a source is active, it continuously emits radiation without any needed intervals or conditions.

Step 2

Use words from the box to complete the table

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Answer

alpha radiation consists of helium nuclei (particles) and transfers energy upon interaction with matter.
beta radiation involves electrons (also particles) and transfers energy similarly.
gamma radiation is electromagnetic radiation (waves) and carries energy as well.

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