Q95. Consider the following statements : 1. In a seismograph, P waves are recorded earlier than S waves. 2. In P waves, the individual particles vibrate to and fro in the direction of wave propagation, whereas in S waves, the particles vibrate up and down at right angles to the direction of wave propagation. Which of the statements given above is/are correct?

Consider the following statements: 1. The Richter scale is a logarithmic scale and so an increase of 1 magnitude unit represents a factor of 10 times in amplitu

Consider the following statements : 1. A flute of smaller length produces waves of lower frequency. 2. Sound travels in rocks in the form of longitudinal elasti

Consider the following statements : 1. The albedo of an object determines its visual brightness when viewed with reflected light. 2. The albedo of Mercury is mu

Consider the following statements: Statement-I: Rainfall is one of the reasons for the weathering of rocks. Statement-II: Rain water contains carbon d

Consider the following : 1. Pyroclastic debris 2. Ash and dust 3. Nitrogen compounds 4. Sulphur compounds How many of the above are products of volcan

The black cotton soil of India has been formed due to the weathering of:

Which of the following phenomena might have influenced the evolution of organisms? 1. Continental drift 2. Glacial cycles Select the correct answer us

In India, the problem of soil erosion is associated with which of the following? 1. Terrace cultivation 2. Deforestation 3. Tropical climate Select th

Which of the following statements regarding laterite soils of India are correct ? 1. They are generally red in colour. 2. They are rich in nitrogen an

Consider the following statements: 1. Natural gas occurs in the Gondwana beds. 2. Mica occurs in abundance in Kodarma. 3. Dharwars are famous for petr

Consider the following: 1. Electromagnetic radiation 2. Geothermal energy 3. Gravitational force 4. Plate movements 5. Rotation of the earth 6. Revolu