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2. (a) Which row of the table is correct for a seismic S-wave? Put a cross (✗) in the box next to your answer - Edexcel - GCSE Physics - Question 2 - 2017 - Paper 1
Question 2
2. (a) Which row of the table is correct for a seismic S-wave? Put a cross (✗) in the box next to your answer. | | electromagnetic | transver... show full transcript
Worked Solution & Example Answer:2. (a) Which row of the table is correct for a seismic S-wave? Put a cross (✗) in the box next to your answer - Edexcel - GCSE Physics - Question 2 - 2017 - Paper 1
Step 1
Which row of the table is correct for a seismic S-wave?
Answer
To determine which row is correct for a seismic S-wave, we analyze the characteristics of S-waves. S-waves are transverse waves and do not propagate through liquids, making option B correct. Therefore, we put a cross (✗) in the box next to option B.
Step 2
Step 3
Explain why this is not enough to locate exactly the position of an earthquake.
Answer
The circles drawn around the earthquake monitoring stations indicate the distance to the earthquake from each station. However, this setup is insufficient to precisely locate the earthquake because the circles can intersect at two points, leading to ambiguity in the location. To pinpoint the exact position of an earthquake, three monitoring stations would be needed to utilize triangulation effectively, allowing for a unique intersection point.