A string under a tension of 100 N, emitting its fundamental note , gives 5 beats/s with a tuning fork. When the tension is increased to 121 N, again 5beats/s are heard. The frequency of the fork is A string under a tension of 100 N again 5beats/s are heard. The frequency of the fork is emitting its fundamental note gives 5 beats/s with a tuning fork. When the tension is increased to 121 N September 17, 2020 Category: Cengage NEET by C.P Singh , Chapter 16 - Wave Motion and Waves on a String , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related