English
Tamil Nadu Board of Secondary EducationHSC Science Class 11

According to Kepler’s second law, the radial vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of ___________.

Advertisements
Advertisements

Question

According to Kepler’s second law, the radial vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of ___________.

Options

  • conservation of linear momentum

  • conservation of angular momentum

  • conservation of energy

  • conservation of kinetic energy

MCQ
Fill in the Blanks
Advertisements

Solution

According to Kepler’s second law, the radial vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of conservation of angular momentum.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Gravitation - Evaluation [Page 42]

APPEARS IN

Samacheer Kalvi Physics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 6 Gravitation
Evaluation | Q I. 6. | Page 42

RELATED QUESTIONS

Choose the correct option.

The weight of a particle at the center of the Earth is _______.


State Newton’s Universal law of gravitation.


Discuss the important features of the law of gravitation.


Assume that you are in another solar system and provided with the set of data given below consisting of the planets’ semi-major axes and time periods. Can you infer the relation connecting semi-major axis and time period?

Planet (imaginary) Time period (T) (in year) Semi-major axis (a) (in AU)
Kurinji 2 8
Mullai 3 18
Marutham 4 32
Neithal 5 50
Paalai 6 72

If the angular momentum of a planet is given by `vec"L" = 5"t"^2hat"i" - 6"t"hat"j" + 3hat"k"`. What is the torque experienced by the planet? Will the torque be in the same direction as that of the angular momentum?


Suppose unknowingly you wrote the universal gravitational constant value as G = 6.67 × 1011. instead of the correct value, G = 6.67 × 10−11, what is the acceleration due to gravity g' for this incorrect G? According to this new acceleration due to gravity, what will be your weight W'?


The escape velocity of a body depends upon mass as ______ 


The time period of a satellite revolving around the earth in a given orbit is 7 hours. If the radius of the orbit is increased to three times its previous value, then the approximate new time period of the satellite will be ______.


Four identical particles of mass M are located at the corners of a square of side 'a'. What should be their speed if each of them revolves under the influence of the other's gravitational field in a circular orbit circumscribing the square?


What causes tides on Earth?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×