UPSC CDS/OTA
Longitude
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Longitude

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Questions
30
Time
30 min
Solutions
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Q1Which of the following statements is/are correct about longitudes? All meridians of longitude are great circles. The Prime Meridian passes through Greenwich, UK. The International Date Line coincides with the 180° longitude. Select the correct answer:MediumSolve →Q2Which of the following statements is true regarding longitudes?MediumSolve →Q3India’s standard time is based on which meridian?MediumSolve →Q4Statement:If it is 12 noon at Greenwich, what would be the local time at 90° East longitude?MediumSolve →Q5Q₅. Consider the following: A place on 90° W will have local time behind GMT. Longitudes are used for calculating standard time zones. The Earth rotates from east to west. Which are correct?MediumSolve →Q6Q₆. Which one of the following pairs is correctly matched? Longitude Feature 180° E/W International Date LineMediumSolve →Q7Q₇. (PYQ Concept) What is the longitudinal extent of mainland India?MediumSolve →Q8Q₈. How much time does the Earth take to rotate 1° longitude?MediumSolve →Q9Q₉. If it is 5:30 AM IST, what is the time at Greenwich?MediumSolve →Q10Q₁₀. (PYQ UPSC Prelims) Which of the following statements are true for the International Date Line? It is a straight line throughout. It deviates to avoid landmasses. It determines change of calendar day. Select correct answer:MediumSolve →
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