CDS · CDS1_2025

Consider the following statements with reference to Secondary waves (S-Waves) generated during an earthquake

1. They create troughs and crests in the material through which they pass
2. The direction of vibrations of S-waves is perpendicular to the wave direction in the vertical plane

Which of the statements given above is/are correct ?

Identify the Mineral on the basis of the following characteristics relating to it

1. It is usually a greenish crystal
2. It is often found in basaltic rocks
3. Magnesium, iron and silica are its major elements. Select the answer

using the code given below :

Which of the following statements with reference to Salt Weathering is/are correct ?

1. Salt crystallisation is the most effective of all the salt weathering processes
2. Salt crystal growth is more effective over sedimentary rocks as compared to igneous rocks. Select the answer

using the code given below :