I. The latitudinal and longitudinal extent of mainland India is around 30°.
II. From Gujarat to Arunachal Pradesh, there is a time lag of two and half hours.
III. The 82°30' E is the Standard Meridian of India.
IV. Time along the Standard Meridian is taken as the standard time for India.
Select the correct answer from the options given below:
Correct Answer: (b) I-True, II-False, III-True, IV-True
Solution:India lies in the Northern Hemisphere with respect to the latitudinal and longitudinal extent, India lies between latitudes 8°4'N and 37°6'N and the longitudes 68°7'E and 97°25'E. It is around 30°. From Gujarat to Arunachal Pradesh, there is a time lag of two hours. Significantly, the standard meridian of India is 82°30'E. Notably, the longitude of 82°30'E is considered as the standard meridian.