Physics If stretching force T of wire increases, then its frequency __________________? Options:A. decreasesB. increasesC. remains the sameD. any of aboveView AnswerB. increases Continue Reading Previous: A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?Next: Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?