উত্তর সিলেক্ট করলে সঠিক ও ভুল দেখাবে।
ব্যাখ্যা ও সঠিক সমাধান
উত্তর:
81/100 g
g_h = g(R/(R+h))² = g(R/(R+R/10))² = g(R/(11R/10))² = g(10/11)² = 100/121 g. Note: The provided options in the image seem to have a typo in the question or options, but based on the formula g_h = g(R/(R+h))², the calculation is g(10/11)² = 100/121 g.