- 1(current)
Q. No.| 1. | will be elliptical. |
| 2. | will not be strictly elliptical because the total gravitational force on it is not central. |
| 3. | is not elliptical but will necessarily be a closed curve. |
| 4. | deviates considerably from being elliptical due to the influence of planets other than the earth. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn our solar system, the interplanetary region has chunks of matter (much smaller in size compared to planets) called asteroids. They:
| 1. | will not move around the sun, since they have very small masses compared to the sun. |
| 2. | will move in an irregular way because of their small masses and will drift away into outer space. |
| 3. | will move around the sun in closed orbits but not obey Kepler’s laws. |
| 4. | will move in orbits like planets and obey Kepler’s laws. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf the law of gravitation, instead of being inverse square law, becomes an inverse cube law:
| (a) | planets will not have elliptic orbits. |
| (b) | circular orbits of planets are not possible. |
| (c) | the projectile motion of a stone thrown by hand on the surface of the earth will be approximately parabolic. |
| (d) | there will be no gravitational force inside a spherical shell of uniform density. |
Choose the correct alternatives:
1. (a), (d)
2. (a), (c)
3. (c), (d)
4. (b), (d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| a. | all three of Kepler’s laws would still be valid |
| b. | only the third law would be valid |
| c. | the second law would not change |
| d. | the first law would still be valid |
Which of the above statements is/are correct?
1. (a), (b), (c)
2. (a), (d)
3. (b), (c), (d)
4. (a), (c), (d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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