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You are an intelligence officer and have been taken to an unknown location in Australia. The intelligence team back in India knows your longitude due to the time zone in which you have been captivated. You need to communicate only your latitude to the officers in India to help them evacuate you. You can know the latitude of your place by
- a)Measuring the angle of the Pole Star from your place
- b)Finding out the rate of rotation of the Moon
- c)Measuring the rate of revolution of earth around the Sun
- d)It is not possible by any of the above.
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
You are an intelligence officer and have been taken to an unknownlocat...
Justification: Options B and C will remain constant irrespective of the
position from where you measure these values. So, you cannot determine
your latitude by these values.
Option A would have been helpful if you had been captivated in the
Northern hemisphere. Pole star is not visible from Southern hemisphere
(Australia), hence it is of no use to you.
None of the given options A, B or C is correct.
Learning: In ancient times, people used to determine directions during
the night with the help of stars.
The North star (Pole star) indicates the north direction. It always
remains in the same position in the sky.
Latitude is basically the angle of your place from the centre of the Earth
(equatorial position).
position from where you measure these values. So, you cannot determine
your latitude by these values.
Option A would have been helpful if you had been captivated in the
Northern hemisphere. Pole star is not visible from Southern hemisphere
(Australia), hence it is of no use to you.
None of the given options A, B or C is correct.
Learning: In ancient times, people used to determine directions during
the night with the help of stars.
The North star (Pole star) indicates the north direction. It always
remains in the same position in the sky.
Latitude is basically the angle of your place from the centre of the Earth
(equatorial position).
You can either find out this angle OR find out the angle of your place
with respect to the North Pole. Finding the latter is easier as Pole Star is
always found vertically above the North Pole.
If you can find your place’s angle from the Pole star (North Pole), just
subtract it from 90 degrees to arrive at your place’s latitude.
Q Source: Improvisation: Page 223: Science 8th NCERT
with respect to the North Pole. Finding the latter is easier as Pole Star is
always found vertically above the North Pole.
If you can find your place’s angle from the Pole star (North Pole), just
subtract it from 90 degrees to arrive at your place’s latitude.
Q Source: Improvisation: Page 223: Science 8th NCERT
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You are an intelligence officer and have been taken to an unknownlocation in Australia. The intelligence team back in India knowsyour longitude due to the time zone in which you have beencaptivated. You need to communicate only your latitude to theofficers in India to help them evacuate you. You can know thelatitude of your place bya)Measuring the angle of the Pole Star from your placeb)Finding out the rate of rotation of the Moonc)Measuring the rate of revolution of earth around the Sund)It is not possible by any of the above.Correct answer is option 'D'. Can you explain this answer?
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You are an intelligence officer and have been taken to an unknownlocation in Australia. The intelligence team back in India knowsyour longitude due to the time zone in which you have beencaptivated. You need to communicate only your latitude to theofficers in India to help them evacuate you. You can know thelatitude of your place bya)Measuring the angle of the Pole Star from your placeb)Finding out the rate of rotation of the Moonc)Measuring the rate of revolution of earth around the Sund)It is not possible by any of the above.Correct answer is option 'D'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about You are an intelligence officer and have been taken to an unknownlocation in Australia. The intelligence team back in India knowsyour longitude due to the time zone in which you have beencaptivated. You need to communicate only your latitude to theofficers in India to help them evacuate you. You can know thelatitude of your place bya)Measuring the angle of the Pole Star from your placeb)Finding out the rate of rotation of the Moonc)Measuring the rate of revolution of earth around the Sund)It is not possible by any of the above.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for You are an intelligence officer and have been taken to an unknownlocation in Australia. The intelligence team back in India knowsyour longitude due to the time zone in which you have beencaptivated. You need to communicate only your latitude to theofficers in India to help them evacuate you. You can know thelatitude of your place bya)Measuring the angle of the Pole Star from your placeb)Finding out the rate of rotation of the Moonc)Measuring the rate of revolution of earth around the Sund)It is not possible by any of the above.Correct answer is option 'D'. Can you explain this answer?.
You are an intelligence officer and have been taken to an unknownlocation in Australia. The intelligence team back in India knowsyour longitude due to the time zone in which you have beencaptivated. You need to communicate only your latitude to theofficers in India to help them evacuate you. You can know thelatitude of your place bya)Measuring the angle of the Pole Star from your placeb)Finding out the rate of rotation of the Moonc)Measuring the rate of revolution of earth around the Sund)It is not possible by any of the above.Correct answer is option 'D'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about You are an intelligence officer and have been taken to an unknownlocation in Australia. The intelligence team back in India knowsyour longitude due to the time zone in which you have beencaptivated. You need to communicate only your latitude to theofficers in India to help them evacuate you. You can know thelatitude of your place bya)Measuring the angle of the Pole Star from your placeb)Finding out the rate of rotation of the Moonc)Measuring the rate of revolution of earth around the Sund)It is not possible by any of the above.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for You are an intelligence officer and have been taken to an unknownlocation in Australia. The intelligence team back in India knowsyour longitude due to the time zone in which you have beencaptivated. You need to communicate only your latitude to theofficers in India to help them evacuate you. You can know thelatitude of your place bya)Measuring the angle of the Pole Star from your placeb)Finding out the rate of rotation of the Moonc)Measuring the rate of revolution of earth around the Sund)It is not possible by any of the above.Correct answer is option 'D'. Can you explain this answer?.
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