A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ?
Afrequency lower than 20 Hz
B2f
C1/4f
D1/2f
Correct answer
A. frequency lower than 20 Hz
Explanation
frequency lower than 20 Hz is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.