Home
Class 11
PHYSICS
A comet orbits the Sun in a highly ellip...

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.

A

(i),(ii),(iii)

B

(iii),(iv),(v)

C

(iii) and (vi)

D

(ii),(iii) and (vi)

Text Solution

Verified by Experts

The correct Answer is:
C
( c) A comet while going on elliptical orbit aroung the sun has constant angular momentum and total energy at all locations but other quantities vary with locations.
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NCERT FINGERTIPS|Exercise Geostationary And Polar Satellites|7 Videos

  • GRAVITATION

    NCERT FINGERTIPS|Exercise Weightlessness|2 Videos

  • GRAVITATION

    NCERT FINGERTIPS|Exercise Earth Satellite|4 Videos

  • KINETIC THEORY

    NCERT FINGERTIPS|Exercise Assertion And Reason|10 Videos

Similar Questions

Explore conceptually related problems

A planet is revolving around the sun in an elliptical orbit. Which out of the following remains constant. (a) Linear speed (b) angular momentum ( c) kinetic energy (d) potential energy (e) total energy throughout its orbit.

A comet is revolving around the sun in an elliptical orbit. Which of the following will remain constant throughout its orbit?

In the figure shown a planet moves in an elliptical orbit around the sun. Compare the speeds, linear and angular momenta at the points A and B .

A star like the sun has serveral bodies moving around it at different distance. 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 upsilon , angular velocity omega , kinetic energy K , gravitational potential energy U , total energy E and angular momentum L . As the radius r of the orbit increase, determine which of the above quantities increase and which ones decrease.

A planet is moving in an elliptic orbit. If T,V,E and L stand, respectively, for its kinetic energy, gravitational potential energy, total energy and angular momentum about the centre of force, then

A comet revolves around the sun in an eliptical orbit. When it is closest to the sun at a distance d, its corresponding kinetic energy is k_(0) . If it is farthest from the sun at distance 3d then the corresponding kinetic energy will be

For a planet moving and the sun in an elliptical orbit, which of the following quantities remain constant? (i) The total energy of the 'sun plus planet' system (ii) The angular momentum of the planet about the sun (iii) The force of attraction between the two (iv) The linear momentum of the planet

A rod of mass m spins with an angular speed omega=sqrt(g/l) , Find its a. kinetic energy of rotation. b. kinetic energy of translation c. total kinetic energy.

A comet of mass m moves in a highly elliptical orbit around the sun of mass M the maximum and minium distacne of the comet from the centre of the sun are r_(1) and r_(2) respectively the magnitude of angular momentum of the comet with respect to the centre of sun is