Question From - NCERT Physics Class 11 Chapter 08 Question – 005 GRAVITATION CBSE, RBSE, UP, MP, BIHAR BOARD QUESTION TEXT:-
Let us consider that our galaxy consists of `2.5xx10^(11)` stars each of one solar mass. How long will this star at a distance of `50,000` light year from the galastic entre take to complete one revolution? Take the diameter of the Milky way to be `10^5ly. G=6.67xx 10^(-11) Nm^(2) Kg^(-2). (1 ly= 9.46xx10^(15)m)`
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