Gravitation Question 25
Question: At what height over the earth’s pole, the free fall acceleration decreases by one percent (assume the radius of earth to be 6400 km)[KCET 1994]
Options:
A) 32 km
B) 80 km
C) 1.253 km
D) 64 km
Show Answer
Answer:
Correct Answer: A
Solution:
or
If g decrease by one percent then r should be increase by
