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- UPSC Static Quiz June 2022
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28 June 2022 Static Quiz for UPSC Prelims
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You have reached 0 of 0 points, (0) Consider the following about solar flares and coronal mass ejections ( CMEs ) : Ans( a ) Ans( a ) Earth’s orbital velocity around the Sun varies with Ans D Ans D Consider the following statements : Ans ( c ) Ans ( c ) Which of the following sources helps in studying about the interior of the Earth ? Select the correct answer using the codes the below : Ans( d ) Ans( d ) The term ‘ pole fleeing force ‘ relates to the Ans C Ans C
28 June 2022
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1. Question
2 points
1. A CME can jostle Earth’s magnetic fields creating currents that drive particles down towards Earth’s poles .
2. Both eruptions are created when the motion of the Sun’s interior contorts its own magnetic fields.
3. While solar flares involve huge explosions of energy , CMEs involve formation of energy suctions in space that consume energy from its surroundings
4. CMEs travel at the speed of light , solar flares do not .
2. Question
2 points
As the Earth moves close to the Sun , its orbital velocity increases , and decreases as it goes farther from the Sun.
Based on Kepler’s three laws of motion ( 9th standard Physics ) , you will know that in an elliptical orbit , a body will trace equal orbital area in equal intervals of time . So , depending on the shape of the orbit , the velocity of Earth will vary .
As the Earth moves close to the Sun , its orbital velocity increases , and decreases as it goes farther from the Sun.
Based on Kepler’s three laws of motion ( 9th standard Physics ) , you will know that in an elliptical orbit , a body will trace equal orbital area in equal intervals of time . So , depending on the shape of the orbit , the velocity of Earth will vary .
3. Question
2 points
1. The gravitation force ( g ) is not the same at different latitudes on the surface of the Earth .
2. Uneven distribution of mass of material within the Earth influences the gravitational force as experienced within the Earth .
Which of the above is / are correct?
• Justification :
• Statement 1 : It is greater near the poles and less at the equator . This is because of the distance from the centre at the equator being greater than that at the poles .
• Statement 2 : Distribution of mass affects the effective mass , that is , applying the gravitational force . Since not all earthly mass has same density , there is bound to be a difference in the way gravitational force is experienced within the Earth .
• Justification :
• Statement 1 : It is greater near the poles and less at the equator . This is because of the distance from the centre at the equator being greater than that at the poles .
• Statement 2 : Distribution of mass affects the effective mass , that is , applying the gravitational force . Since not all earthly mass has same density , there is bound to be a difference in the way gravitational force is experienced within the Earth .
4. Question
2 points
5. Question
2 points
Leaderboard: 28 June 2022
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