Q: 116 (CDS-I/2012)

The time period of a simple pendulum -having a spherical wooden bob is 2 second. If the bob is replaced by a metallic one twice as heavy, the time period will be—
question_subject: 
Maths
question_year: 
2012
question_exam: 
CDS-I
stats: 
0,128,352,224,144,72,40