MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Solar Energy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
On summer solstice, the sun is above the horizon in northern hemisphere. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The equinoxes are vernal equinox and autumnal equinox respectively. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is the sun s declination angle during equinox? |
| A. | 0 degrees |
| B. | 1 degree |
| C. | 13 degrees |
| D. | 23.5 degrees |
| Answer» B. 1 degree | |
| 4. |
Why does earth receive 12 hours of sunshine during equinox? |
| A. | Because earth s center lies on the plane of the sun |
| B. | Because earth s center does not lie on the plane of the sun |
| C. | Because earth is nearest to the sun |
| D. | Because earth s axis is perpendicular to the plane of the sun |
| Answer» E. | |
| 5. |
What is an equinox? |
| A. | When earth is farthest from the sun |
| B. | When earth is nearest to the sun |
| C. | When earth s center lies in the plane of sun |
| D. | When earth s center does not lie in the plane of sun |
| Answer» D. When earth s center does not lie in the plane of sun | |
| 6. |
What is sun s declination angle during winter solstice? |
| A. | 25 degrees |
| B. | -23.5 degrees |
| C. | 37 degrees |
| D. | 23.5 degrees |
| Answer» C. 37 degrees | |
| 7. |
What is sun s declination angle during summer solstice? |
| A. | 23.5 degrees |
| B. | 0.53 degrees |
| C. | 32 minutes |
| D. | -23.5 degrees |
| Answer» B. 0.53 degrees | |
| 8. |
What is sun declination angle? |
| A. | Angle between sun and earth |
| B. | Angle between ray of the sun touching earth s surface and the equatorial plane |
| C. | Angle between an observer on earth and the celestial equatorial plane |
| D. | Angle between ray of the sun when extended to the earth s center and the equatorial plane |
| Answer» E. | |
| 9. |
What is solstice? |
| A. | The point where earth is farthest from the sun |
| B. | The point where earth is nearest from the sun |
| C. | When sun s zenith is at its furthest point from celestial equator |
| D. | When sun s zenith is at its closest point from celestial equator |
| Answer» D. When sun s zenith is at its closest point from celestial equator | |
| 10. |
Which month is the earth farthest from the sun? |
| A. | June |
| B. | July |
| C. | August |
| D. | January |
| Answer» C. August | |
| 11. |
What is aphelion? |
| A. | The point where earth is farthest from the sun |
| B. | The point where earth is nearest from the sun |
| C. | The point where earth is on the perpendicular bisector of sun s plane |
| D. | The point when earth subtends an angle of 30 degrees with sun s plane |
| Answer» B. The point where earth is nearest from the sun | |
| 12. |
Which month is the earth closes to the sun? |
| A. | February |
| B. | March |
| C. | December |
| D. | January |
| Answer» E. | |
| 13. |
When revolving around the sun, the earth moves in an elliptical cycle _______ |
| A. | on the sun s plane |
| B. | above the sun s plane |
| C. | above and below the sun s plane |
| D. | below the sun s plane |
| Answer» D. below the sun s plane | |
| 14. |
Why is angle subtended by sun on earth s surface so small? |
| A. | Because sun is smaller than earth |
| B. | Because of the large distance between earth and sun |
| C. | Because of the small distance between earth and sun |
| D. | Because sun is about the same size as that of earth |
| Answer» C. Because of the small distance between earth and sun | |
| 15. |
What is angle subtended by sun on earth in degrees? |
| A. | About 0.5 degrees |
| B. | About 1 degree |
| C. | About 35 degrees |
| D. | About 5 degrees |
| Answer» B. About 1 degree | |