Welcome to Westonci.ca, where you can find answers to all your questions from a community of experienced professionals. Connect with a community of experts ready to provide precise solutions to your questions quickly and accurately. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

The envelope function can be written simply in terms of δk=k1−k2 and δω=ω1−ω2 . If you do so, what is vgroup , the velocity of propagation of the envelope?