Dear Student,time period, T =2×10-3 secWe know that, frequency of wave ,f =1T⇒f=12×10-3⇒f=500 HzTherefore, frequency of wave is 500HzRegards

Please answer this...

D e a r S t u d e n t, t i m e p e r i o d, T = 2 \times 10^{- 3} s e c W e k n o w t h a t, f r e q u e n c y o f w a v e, f = \frac{1}{T} \Rightarrow f = \frac{1}{2 \times 10^{- 3}} \Rightarrow f = 500 H z T h e r e f o r e, f r e q u e n c y o f w a v e i s 500 H z R e g a r d s