# Gravitation-Kepler's Laws of Planetary Motion (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 5 of 7

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## Question number: 1

» Gravitation » Kepler's Laws of Planetary Motion

### Question

The mean distance of mars from sun is 1.524 times the distance of the earth from the sun. The period of revolution of mars around sun will be

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2.88 earth year | |

b. | 4.88 earth year | |

c. | 3.88 earth year | |

d. | 1.88 earth year |

## Question number: 2

» Gravitation » Kepler's Laws of Planetary Motion

### Question

The mean distance of mars from sun is 1.213 times the distance of the earth from the sun. The period of revolution of mars around sun will be

### Choices

Choice (4) | Response | |
---|---|---|

a. | 1.34 earth year | |

b. | 4.35 earth year | |

c. | 1.05 earth year | |

d. | 2.35 earth year |

## Question number: 3

» Gravitation » Kepler's Laws of Planetary Motion

### Question

The Jupiter s period of revolution round the Sun is 10 times that of the Earth. Assuming the planetary orbits are circular, how many times the distance between the Jupiter and Sun exceeds that between the Earth and the sun.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 4.242 | |

b. | 5.242 | |

c. | 2.242 | |

d. | 4.641 |

## Question number: 4

» Gravitation » Kepler's Laws of Planetary Motion

### Question

The Jupiter’s period of revolution round the Sun is 12 times that of the Earth. Assuming the planetary orbits are circular, how many times the distance between the Jupiter and Sun exceeds that between the Earth and the sun.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 5.242 | |

b. | 2.242 | |

c. | 3.242 | |

d. | 4.242 |

## Question number: 5

» Gravitation » Kepler's Laws of Planetary Motion

### Question

The semi-major axes of the orbits of mercury and mars are respectively 0.387 and 1.524 in astronomical unit. If the period of Mercury is 0.222 year, what is the period of Mars?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 1.73 years | |

b. | 1.23 years | |

c. | 1.95 years | |

d. | 3.24 years |