UPSC 2013 › Geography › Astronomy & Earth–Sun System

1 question · 2013 · answers as per the UPSC key

Take test Free Study this topic: Physical Geography in Depth
All years of Astronomy & Earth–Sun System · Full UPSC 2013 paper
UPSC 2013 · Q14 · Geography › Astronomy & Earth–Sun System · Save

Variations in the length of daytime and night-time from season to season are due to

(a) the earth's rotation on its axis
(b) the earth's revolution round the sun in an elliptical manner
(c) latitudinal position of the place
(d) revolution of the earth on a tilted axis
Show answer
Answer: (d) revolution of the earth on a tilted axis