McqMate
| Q. |
Which of the following reaction is the main cause of energy radiated from Sun? |
| A. | Nuclear fission |
| B. | Nuclear fusion |
| C. | Chemical reaction |
| D. | Diffusion reaction |
| Answer» B. Nuclear fusion | |
|
Explanation: The Sun is a main-sequence star, and thus generates its energy bynuclear fusion of hydrogen nuclei into helium. In its core, the Sunfuses 620 million metric tons of hydrogen each second. |
|
View all MCQs in
PhysicsNo comments yet