Two apdulums begin to swing simultaneosuly. The first pendulum makes `9` full oscillations when the other makes `7`. Find the ratio of length of the two pendulums

Two pendulums begin to swing simultaneously. If the ratio of the frequency of oscillations of the two is 7 : 8, then the ratio of lengths of the two pendulums will be

Two pendulums begin to swing simultaneously. If the ratio of the frequency of oscillations of the two is 7 : 8, then the ratio of lengths of the two pendulums will be

Two pendulums differ in lengths by 22m . They oscillate at the same place so that one of then makes 30 oscillations and the other makes 36 oscillations during the same time. The length ( in cm) of the pendulum are :

Two pendulums differ in lengths by 22m . They oscillate at the same place so that one of then makes 30 oscillations and the other makes 36 oscillations during the same time. The length ( in cm) of the pendulum are :

Two pendulums differ in lengths by 22m . They oscillate at the same place so that one of then makes 30 oscillations and the other makes 36 oscillations during the same time. The length ( in cm) of the pendulum are :

Two pendulums differ in lengths by 22cm . They oscillate at the same place so that one of them makes 30 oscillations and the other makes 36 oscillations during the same time. The length ( in cm) of the pendulum are :

The frequency of a simple pendulum is n oscillations per minute while that of another is (n + 1) oscillations per minute. The ratio of length of first second is-