A particle falls towards the earth from infinity. The velocity with which it reaches earth's surface (g to acceleration due to gravity on earth's surface and R is the radius of the earth)

A particle falls towards the earth from infinity. The velocity with wh

1.	A particle falls towards the earth from infinity. The velocity with which it reaches earth's surface (g to acceleration due to gravity on earth's surface and R is the radius of the earth)
Answer» <html><body><p>`2gR`<br/>`<a href="https://interviewquestions.tuteehub.com/tag/sqrt-1223129" style="font-weight:bold;" target="_blank" title="Click to know more about SQRT">SQRT</a>(2gR)`<br/>`sqrt(<a href="https://interviewquestions.tuteehub.com/tag/gr-1010452" style="font-weight:bold;" target="_blank" title="Click to know more about GR">GR</a>)`<br/>`R"/"<a href="https://interviewquestions.tuteehub.com/tag/g-1003017" style="font-weight:bold;" target="_blank" title="Click to know more about G">G</a>`</p>Answer :B</body></html>