Motions of The Earth

Consider the following statements:
1. Rotation is the movement of the earth around the sun in its orbit.
2. The period of rotation is known as the earthday.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. The earth takes 365 1/4 days to revolve around the sun.
2. The axis of the earth which is an imaginary line, makes an angle of 66 1/2° with its orbital plane.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. Aryabhata had stated that ‘the earth is round and rotates on its own axis’.
2. Seasons change due to the change in the position of the earth around the sun.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. The rays of the sun fall directly on the Tropic of Cancer.
2. The places beyond the Arctic Circle experience continuous daylight for about six months.
3. It is summer in the regions north of the equator.
4. The longest night and the shortest day at these places occur on 21st June.
Which of the above statements are true with respect to 21st June in the Northern Hemisphere?

Consider the following statements:
1. On 21st March and September 23rd, direct rays of the sun fall on the equator.
2. The whole earth experiences equal days and equal nights except poles.
Which of the above mentioned statements is/are correct?

The position of earth called Winter Solstice occurs on