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MCQ

True or False

Complete the sentence by selecting the correct option:

The differene between the local time of any two consecutive longitudes is

#### Options

15 minutes

04 minutes

30 minutes

60 minutes

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#### Solution

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

One rotation = 360^{o}

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

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

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

Concept: Introduction to Local Time and Standard Time

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