Basic Science : Study Of The Sun QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
1.Eleven year cycle refers to |
| the appearance of sunspots once in eleven years |
| life time of sunspots |
| period of variation in number of sunspots between two minima |
| period of variation in number of sunspots from maximum to minimum |
2.Who suggested that the proton cycle is the source of solar energy |
| Kepler |
| Tycho Brahe |
| Hans Bethe |
| Copernicus |
3.Solar energy is due to |
| nuclear fission |
| nuclear fusion |
| both fission and fusion |
| combination of gases |
4.If T is the surface temperature of the Sun, the energy radiated is |
| proportional to T2 |
| proportional to T4 |
| inversely proportional to T4 |
| inversely proportional to T2 |
5.The rate of radiation of energy by the Sun is |
| 4 1026 Js-1 |
| 1.969 1030 Js-1 |
| 1.496 1011 Js-1 |
| 1.39 109 Js-1 |
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