Which of the following is true about the perihelion position of the earth?

1. It is farthest from the sun.
2. It occurs on 3 January.
3. The speed of revolution is the least.
4. All of the above.

The lighted part of the earth is called the :

1. Circle of Light
2. Circle of Illumination
3. Circle of Solstice
4. Circle of Equinox

Which of the following is true about the aphelion?

1. Occurs on 4 July.
2. Summer in northern hemisphere
3. Speed of revolution is maximum
4. All of the above.

Assertion (A): The speed of revolution of the earth is uniform.

Reason (R): When the earth is closer to the sun, the gravitational pull makes the earth move faster than when it is away from the sun.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.