Question : If an object executes 10 oscillations per second, then its frequency in kilohertz is equal to:
Option 1: 1
Option 2: 10
Option 3: 0.1
Option 4: 0.01
Correct Answer: 0.01
Solution : The correct option is 0.01.
The frequency (f) of an oscillating object is the number of oscillations or cycles it completes per unit of time. The formula to calculate frequency is:
f = number of oscillations/time
In the given scenario, the object executes 10 oscillations per second. Therefore, the frequency (f) is 10 oscillations per second. 1 kHz = 1000 Hz So,
Frequency in kHz = 10 oscillations per second / 1000 Hz per kHz
Frequency in kHz = 0.01 kHz
Therefore, the frequency of the object, given that it executes 10 oscillations per second, is 0.01 kilohertz.
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