The main source of enrgy in Sun is:
1). Nuclear fusion?
2). Nuclear fission?
3). Chemical reaction?
4). Mechanical energy?
1. Who defined the law of gravitation
2. During the motion of a projectile fired from the earth surface, _______
3. The atmospheric air is held to the Earth by :
4. The term ''Higgs Boson' is associated with
5. Convex mirror is generally used in ________
6. Which of the following instrument is used to measure Soil Water Tension?
7. For which of the following game, players must have the knowledge of Pascal's law?