At what depth below the surface of the earth, acceleration due to gravity g will be half its value 1600 km above the surface of the earth ?

At what depth below the surface of the earth, acceleration due to grav

1.	At what depth below the surface of the earth, acceleration due to gravity g will be half its value 1600 km above the surface of the earth ?
Answer» <html><body><p>`4.2 <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> <a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a>^(<a href="https://interviewquestions.tuteehub.com/tag/6-327005" style="font-weight:bold;" target="_blank" title="Click to know more about 6">6</a>)` m<br/>`3.19 xx 10^(6)`m<br/>`1.59 xx 10^(6)` m<br/>None of the above </p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :A</body></html>