Home
Class 12
PHYSICS
A planet travels in an elliptical orbit ...

A planet travels in an elliptical orbit about a star as shown. At what pair of points is the speed of the planet the same?

A

`1/2`

B

`1/4`

C

`1/8`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION A)|36 Videos

  • MAGNETISM AND MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION B)|24 Videos

  • MAGNETISM AND MATTER

    AAKASH INSTITUTE ENGLISH|Exercise Assignment Section D (Assertion- Reason Type Questions)|8 Videos

  • LAWS OF MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION-D) (Assertion-Reason Type Questions)|15 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH INSTITUTE ENGLISH|Exercise SECTION - J|9 Videos

Similar Questions

Explore conceptually related problems

In elliptical orbit of a planet

A planet revolves in elliptical orbit around the sun. (see figure). The linear speed of the planet will be maximum at

Knowledge Check

  • A planet revolves in elliptical orbit around the sun. (see figure). The linear speed of the planet will be maximum at

    A
    A
    B
    B
    C
    C
    D
    D

  • A planet orbits the sun in an elliptical path as shown in the figure. Let v_(p) " and " v_(A) be spped of the planet when at perohelion and aphelion respectively. Which of the following relations is correct ?

    A
    `(r_(p))/(r_(A))=(v_(A))/(v_(p))`
    B
    `(r_(p))/(r_(A))=(v_(p))/(v_(A))`
    C
    `(r_(p))/(r_(A))=sqrt((v_(p))/(v_(A)))`
    D
    `(r_(p))/(r_(A))=sqrt((v_(A))/(v_(p)))`

  • A planet revolves around the sun in elliptical orbit of eccentricity 'e'. If 'T' is the time period of the planet then the time spent by the planet between the ends of the minor axis and major axis close to the sun is

    A
    `(T pi)/(2e)`
    B
    `T((2e)/(pi)-1)`
    C
    `(Te)/(2pi)`
    D
    `T((1)/(4)-( e)/(2pi))`

    • Similar Questions

    Explore conceptually related problems

    A planet of mass m is moving in an elliptical orbit about the sun (mass of sun = M). The maximum and minimum distances of the planet from the sun are r_(1) and r_(2) respectively. The period of revolution of the planet wil be proportional to :

    A planet is moving round the sun in an elliptical orbit as shows. As the planet moves from A to B

    A planet is revolving in an elliptical orbit around the sun as shown in the figure. The areal velocity (area swapped by the radius vector with respect to sun in unit time) is:

    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 planet of mass m is in an elliptical orbit about the sun with an orbital period T . If A be the area of orbit, then its angular momentum would be

    Home
    Profile