Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa

A solid sphere of mass 'M' and radius 'a' is surrounded by a uniform concentric spherical shell of thickness 2a and mass 2M. The gravitational field at distance '3a' from the centre will be :

  • Option 1)

     \frac{2GM}{9a^{2}}

  • Option 2)

     \frac{GM}{9a^{2}}

  • Option 3)

     \frac{GM}{3a^{2}}

  • Option 4)

     \frac{2GM}{3a^{2}}

 

Answers (1)

best_answer

 

g=\frac{GM}{\left ( 3a \right )^{2}} +\frac{G\left ( 2M \right )}{\left ( 3a \right )^{2}}

g=\frac{3Gm}{9a^{2}}

    =\frac{Gm}{3a^{2}}

 


Option 1)

 \frac{2GM}{9a^{2}}

Option 2)

 \frac{GM}{9a^{2}}

Option 3)

 \frac{GM}{3a^{2}}

Option 4)

 \frac{2GM}{3a^{2}}

Posted by

solutionqc

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2027 Registration LIVE: NTA JEE session 1 application form soon; direct link, exam dates, admit card
anam-khan

JEE Main 2027 Registration LIVE: NTA January application soon at jeemain.nta.nic.in; BTech session 1 dates
anam-khan

NTA JEE Mains 2027 application form filling starts soon; January BTech, BE entrance exam dates

Latest Question