To determine the amount of oscillation in 30 seconds, we need to know the frequency or the rate at which the oscillation occurs. Without knowing the frequency, we cannot calculate the number of oscillations in 30 seconds.

Frequency is measured in units of Hertz (Hz), which represents the number of cycles or oscillations per second. If we have the frequency (f) in Hertz, we can calculate the number of oscillations (N) in 30 seconds using the following formula:

N = f × 30

For example, if the frequency of an oscillation is 2 Hz, then the number of oscillations in 30 seconds can be calculated as follows:

N = 2 Hz × 30 seconds = 60 oscillations

Therefore, there will be 60 oscillations in 30 seconds if the frequency of the oscillation is 2 Hz.