Define time period. Give its formula. ​

Explanation:

This is the same as the number of repetitions per second or the number of oscillations per second. Time Period (T) is the number of seconds per waveform, or the number of seconds per oscillation. It is clear that frequency and time period are reciprocals. That is, T=1/f.

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;