Properties of Seismic waves — task. Social Science, Class 7.

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Choose the correct option by analysing the pairs given below.

1. Pair 1: 1 to 14 km/s, S waves
Pair 2: 1 to 14 km/s, P Waves

Only 1 is correct
Only 2 is correct
Both 1 and 2 are correct

2. Pair 1: 1 to 8 km/s, S waves
Pair 2: 1 to 8 km/s, L-waves

Only 1 is correct
Both 1 and 2 are correct
Only 2 is correct

3. Pair 1: Travel near the ground’s surface, P Waves
Pair 2: Travel near the ground’s surface, L-waves

1 only correct
2 only correct
Both 1 and 2 correct

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