Maximum usable frequency (MUF) in F-region layer is x, when the critical frequency is 60 MHz and the angle of incidence is 70. Then x is Maximum usable frequency (MUF) in F-region layer is x when the critical frequency is 60 MHz and the angle of incidence is 70. Then x is October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related