When a lift is moving upwards with acceleration a, then time period of simple pendulum in it will ………………..
A. 2π\(\sqrt { \frac { 1 }{ g+a } } \)
B. 2π\(\sqrt { \frac { g+a }{ l } } \)
C. \(\frac{1}{2π}\)\(\sqrt { \frac { 1 }{ g+a } } \)
D. \(\frac{1}{2π}\)\(\sqrt { \frac { g+a }{ l } } \)
Answer:A
When a lift is moving upwards with acceleration a, then time period of simple pendulum in it will ………………..
A. 2π\(\sqrt { \frac { 1 }{ g+a } } \) B. 2π\(\sqrt { \frac { g+a }{ l } } \) C. \(\frac{1}{2π}\)\(\sqrt { \frac { 1 }{ g+a } } \) D. \(\frac{1}{2π}\)\(\sqrt { \frac { g+a }{ l } } \)