Question

QNo.2 A second's pendulum is working in
a lift. If the lift beings to fall freely towards
the earth, what will be the time period of the
pendulum in this case?
Notices
A. Two sec.
B. one Sec
C. Zero
D. Infinite
Response​

Answer 1

Answer:

answer of the question is option D

Explanation:

T = √2πl/g'

g' is effective acceleration

g'=g - a

a is equal to g as free falling

g' is equal to zero

T = infinite