NCERT Class 11 Geography — Chapter 2: Solar radiation, heat balance and temperature

Which of the following best explains why the annual insolation received on 3rd January is slightly more than on 4th July?

Consider the following data regarding the Heat Budget of the Earth: 1. 35 units are reflected back from the top of the clouds. 2. 14 units are absorbed within the atmosphere. 3. 51 units are absorbed by the earth’s surface. Which of the statements given above is/are correct?

With reference to the heating of the atmosphere, consider the following statements: 1. Conduction is the process where heat is transferred through horizontal movement of air. 2. Convection is the process of vertical heating of the atmosphere. 3. Advection has no role in the diurnal variation of daily weather in middle latitudes. Which of the statements given above is/are correct?

With reference to the variability of insolation at the surface of the Earth, consider the following statements: 1. The Earth receives slightly more annual insolation on 3rd January than on 4th July. 2. The variation in solar output due to the Earth's distance from the Sun has a drastic effect on daily weather changes. 3. The rotation of the Earth on its axis is one of the factors causing variations in insolation. Which of the statements given above is/are correct?

Which of the following factors is/are responsible for the variations in insolation received at the surface of the Earth? 1. The angle of inclination of the sun’s rays 2. The transparency of the atmosphere 3. The configuration of land in terms of its aspect 4. The revolution of the Earth around the Sun has no influence on insolation variations Select the correct answer using the code given below: