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``` 28 June 2022 Time limit: 0 Quiz-summary 0 of 5 questions completed Questions: 1 2 3 4 5 Information 28 June 2022 Static Quiz for UPSC Prelims You have already completed the quiz before. Hence you can not start it again. Quiz is loading... You must sign in or sign up to start the quiz. You have to finish following quiz, to start this quiz: Results 0 of 5 questions answered correctly Your time: Time has elapsed You have reached 0 of 0 points, (0) Average score     Your score     Your result has been entered into leaderboard Loading Name: E-Mail: Captcha: 1 2 3 4 5 Answered Review Question 1 of 5 1. Question 2 points Consider the following about solar flares and coronal mass ejections ( CMEs ) : 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 . 1 and 2 only 3 and 4 only 1 , 2 and 3 only 1 , 2 and 4 only Correct Ans( a ) Incorrect Ans( a ) Question 2 of 5 2. Question 2 points Earth’s orbital velocity around the Sun varies with Shape of Earth's orbit It remains constant throughout the orbit Earth's distance from the Sun Both ( a ) and ( c ) Correct Ans D 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 . Incorrect Ans D 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 . Question 3 of 5 3. Question 2 points Consider the following statements : 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? 1 only 2 only Both 1 and 2 None of the above Correct Ans ( c ) • 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 . Incorrect Ans ( c ) • 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 . Question 4 of 5 4. Question 2 points Which of the following sources helps in studying about the interior of the Earth ? Meteors that at times reach the Earth Gravitation Magnetic field Seismic activity Select the correct answer using the codes the  below : 1 , 2 and 3 only 2 and 3 only 3 and 4 only All of the above Correct Ans( d ) Incorrect Ans( d ) Question 5 of 5 5. Question 2 points The term ‘ pole fleeing force ‘ relates to the Forces responsible for the bulging at the Earth's poles Magnetic force as emitted through the poles aligning landforms on Earth Outward directed forces associated with the spinning of Earth Forces that causes oscillations in the tilted axis of the Earth Correct Ans C Incorrect Ans C ```
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