Solar Radiation, Heat Balance and Temperature | Chapter 9 | Class 11 | Social Science | Geography

Questions

1. Name the sphere which constitutes the earth.

2. Earth receives almost all its energy from the

3. What is the temperature at the sun’s gaseous surface?

4. Bodies radiate energy in which form?

5. Earth in turn radiates the heat back to the atmosphere in long waves called

6. What is the distance between the sun and the earth?

7. On what day the earth is nearest to the sun?

8. The dark spots appearing on the sun’s surface are called

9. What causes the variations in insolation?

10. Which factor determines the angle of inclination of solar rays?

11. On what day the sun is overhead at the Tropic of Cancer?

12. The angle of inclination of sun’s rays at noon at Delhi (28°N):

13. The axis of rotation of Earth is inclined about

14. When is North pole inclined 23½° toward the sun?

15. Which processes operate on insolation during the passage through the atmosphere?

16. Through which process the colour of the sky seems blue?

17. The combined reflection from the earth’s surface and clouds is known as

18. The heat transfer by contact is termed as

19. The earth transmits the heat by

20. By which process the earth’s surface is heated?

21. How much solar radiation is received at the top of the atmosphere?

22. Which factor controls the temperature distribution?

23. What is normal lapse rate?

24. What least range of temperature is found between 20°S and 15°N?

25. The sun has how many shapes?

Index of Questions