X-rays and gamma rays are both ionising radiations. (i) Complete the sentence by putting a cross (✗) in the box next to your answer. Another example of an ionising radiation is A infrared B microwave C radio D ultraviolet (ii) X-rays and gamma rays are electromagnetic waves. Which of these graphs is correct for electromagnetic waves? Put a cross (✗) in the box next to your answer. frequency A 0 wavelength frequency B 0 wavelength frequency C 0 wavelength frequency D 0 wavelength

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X-rays and gamma rays are both ionising radiations - Edexcel - GCSE Physics - Question 4 - 2017 - Paper 1

Question 4

X-rays and gamma rays are both ionising radiations. (i) Complete the sentence by putting a cross (✗) in the box next to your answer. Another example of an ionising... show full transcript

Worked Solution & Example Answer:X-rays and gamma rays are both ionising radiations - Edexcel - GCSE Physics - Question 4 - 2017 - Paper 1

Step 1

Complete the sentence by putting a cross (✗) in the box next to your answer.

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Answer

The correct answer is D (ultraviolet). Ultraviolet radiation is another example of an ionising radiation, which can cause ionisation of atoms and molecules.

Step 2

Which of these graphs is correct for electromagnetic waves?

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Answer

The correct graph is B. For electromagnetic waves, as wavelength decreases, frequency increases, which corresponds to the inverse relationship between frequency and wavelength.

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X-rays and gamma rays are both ionising radiations - Edexcel - GCSE Physics - Question 4 - 2017 - Paper 1

Worked Solution & Example Answer:X-rays and gamma rays are both ionising radiations - Edexcel - GCSE Physics - Question 4 - 2017 - Paper 1

Complete the sentence by putting a cross (✗) in the box next to your answer.

Which of these graphs is correct for electromagnetic waves?

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