Q. 1 C

Complete the sentence by selecting the correct option:

The difference between the local time of any two consecutive longitudes is
A. 15 minutes

B. 04 minutes

C. 30 minutes

D. 60 minutes

Answer :

Longitude is the angular distance of a place east or west of the meridian at Greenwich, England. It is represented in degrees.


One rotation = 360o


The time required for the earth to complete one rotation or 360o = 24 hours


The difference in degrees between any two consecutive longitudes is 1o


thus, the difference between the local time of any two consecutive longitudes = 24/360 hours = 0.066 hour


1 hour = 60 mins


0.066 hour = 4 mins

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