Is the time period of simple pendulum on the earth's surface

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

T

is the time period of simple pendulum on the earth's surface. Its time period becomes

xT

when taken to a height

R

(equal to earth's radius) above the earth's surface. Then, the value of

x

will be: (1) 4 (2) 2 (3)

\frac{1}{2}

(4)

\frac{1}{4}