मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Observe the given figure showing the orbit of a planet moving around the Sun and write the three laws related to it: The orbit of a planet moving around the Sun - Science and Technology 1

Advertisements
Advertisements

प्रश्न

Observe the given figure showing the orbit of a planet moving around the Sun and write the three laws related to it:


The orbit of a planet moving around the Sun

State the laws related to the given diagram:

टीपा लिहा
Advertisements

उत्तर

  1. Kepler’s first law: The orbit of a planet is an ellipse with the sun at one of the foci.
  2. Kepler’s second law: The line joining the planet and the sun sweeps equal areas in equal intervals of time.
  3. Kepler’s third law: The square of the orbital period of revolution of a planet around the Sun is directly proportional to the cube of the mean distance of the planet from the Sun.
shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2021-2022 (March) Set 1

संबंधित प्रश्‍न

A comet orbits the Sun in a highly elliptical orbit. Does the comet have a constant (a) linear speed, (b) angular speed, (c) angular momentum, (d) kinetic energy, (e) potential energy, (f) total energy throughout its orbit? Neglect any mass loss of the comet when it comes very close to the Sun.


Answer the following question.

State Kepler’s law of equal areas.


Answer the following question.

State Kepler’s law of the period.


The square of its period of revolution around the sun is directly proportional to the _______ of the mean distance of a planet from the sun.


The third law of Kepler is also known as the Law of ______.


State Kepler’s laws.


A planet is revolving around the sun in an elliptical orbit as shown in figure. At which point will its K.E. be maximum?


The earth moves around the sun in an elliptical orbit as shown in the figure. The ratio, `"OA"/"OB"` = x. The ratio of the speed of the earth at Band at A is ______.


Both earth and moon are subject to the gravitational force of the sun. As observed from the sun, the orbit of the moon ______.


If the sun and the planets carried huge amounts of opposite charges ______.

  1. all three of Kepler’s laws would still be valid.
  2. only the third law will be valid.
  3. the second law will not change.
  4. the first law will still be valid.

If the sun and the planets carried huge amounts of opposite charges ______.

  1. all three of Kepler’s laws would still be valid.
  2. only the third law will be valid.
  3. the second law will not change.
  4. the first law will still be valid.

Out of aphelion and perihelion, where is the speed of the earth more and why?


A star like the sun has several bodies moving around it at different distances. Consider that all of them are moving in circular orbits. Let r be the distance of the body from the centre of the star and let its linear velocity be v, angular velocity ω, kinetic energy K, gravitational potential energy U, total energy E and angular momentum l. As the radius r of the orbit increases, determine which of the above quantities increase and which ones decrease.


lf the angular momentum of a planet of mass m, moving around the Sun in a circular orbit is L, about the center of the Sun, and its areal velocity is ______.


Halley's Comet revolves around the sun for a time period of 76 years. The aphelion distance if perihelion is given by 8.9 × 1010 m, will be ______.

(Take, the mass of sun = 2 × 1030 kg and G = 6.67 × 10-11 Nm3/kg2)


How can an ellipse be drawn using pins and thread?


When is a planet moving fastest in its orbit?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×