Interior Of the Earth, Earthquake, Earth’s Magnetism & Gravity Multiple Choice Questions (MCQ)

Quiz on Seismic Waves and Earth Layers

Time Left: 10:00

1. S-wave is terminated at: (2015)

a) Crust—Mantle boundary
b) Lithosphere—Asthenosphere boundary
c) Mantle—Core boundary
d) Inner and Outer core boundary

2. The amplitude of ground motion during an earthquake of magnitude 7 in Richter scale is how many times more than that of a magnitude 5? (2016)

a) 10
b) 100
c) 1000
d) 10,000

3. The pressure and temperature at the center of the Earth is estimated to be: (2017)

a) 360 GPa, 2600 K
b) 450 GPa, 6000 K
c) 360 GPa, 6000 K
d) 450 GPa, 2600 K

4. Shear waves do not travel through the: (2019)

a) Upper continental crust
b) Upper mantle
c) Lower mantle
d) Outer core

5. Which one of the following seismic waves involves compression and rarefaction (but not rotation) of the material it passes through? (2022)

a) P-waves
b) S-waves
c) Rayleigh waves
d) Love waves

6. Which one of the magnitude scales DOES NOT saturate while estimating size of earthquakes? (2022)

a) Local magnitude scale (ML)
b) Body wave magnitude scale (Mb)
c) Surface wave magnitude scale (MS)
d) Moment magnitude scale (MW)

7. Crustal thickness is maximum at the: (2023)

a) Ocean-ocean convergent plate boundary
b) Ocean-continent convergent plate boundary
c) Continent-continent convergent plate boundary
d) Continent-continent divergent plate boundary

8. Which one of the following options is the CORRECT sequence of seismic waves in order of arrival time recorded on a seismogram? (2023)

a) P-waves, S-waves, Rayleigh waves, Love waves
b) P-waves, Rayleigh waves, S-waves, Love waves
c) S-waves, P-waves, Love waves, Rayleigh waves
d) P-waves, S-waves, Love waves, Rayleigh waves

9. The density contrast across which one of the following transitions in the Earth is maximum? (2023)

a) Upper crust – lower crust
b) Upper mantle – lower mantle
c) Lower mantle – outer core
d) Outer core – inner core

Quiz Results