The product of frequency and time period is equal to ______?

The product of frequency and time period is equal to ______?

تعدد اور وقت کی مدت کی پیداوار ______ کے برابر ہے؟
Explanation

The product of frequency and time period is always equal to 1.

This is because frequency = 1/time period, so their product is 1.